how are the different types of fatty acids distinguished?

Answers

Answer 1

Fatty acids differ from each other in the number of C atoms, from 12-C to 24-C, and in the number of double bonds in the chain, from none to one, two, or three.

What is an atom?

An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.

The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.

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Related Questions

Changing the pH will have the following effects on à catalase-controlled reaction O Increasing the pH will always increase the enzyme activity O Decreesing the pH will always increase the enzyme activity O Decreasing the pH will always decrease the enzyme activity O Changing the pH will have no effect on enzyme activity O Increasing or decreasing the pH above or below the optimum level will decrease the activity

Answers

Changing the pH will have an effect on a catalase-controlled reaction.

The correct statement is: "Increasing or decreasing the pH above or below the optimum level will decrease the activity."

What is catalase?

Catalase is an enzyme that is found in many living organisms, including plants, animals, and bacteria. It catalyzes the breakdown of hydrogen peroxide (H2O2) into water (H2O) and oxygen (O2). This is an important reaction for cells because hydrogen peroxide is a toxic byproduct of many metabolic processes, and catalase helps to protect cells from its harmful effects.

Enzyme activity is influenced by the pH of the environment in which the reaction takes place. Each enzyme has an optimum pH range in which it functions most efficiently. Any deviation from this optimum pH range will lead to a decrease in enzyme activity. This is because changes in pH can alter the enzyme's shape and affect its ability to bind to the substrate or catalyze the reaction.

For catalase, the optimum pH range is typically between pH 7 and pH 11, depending on the specific source of the enzyme. If the pH is increased or decreased above or below this range, the enzyme activity will decrease.

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Please help will mark brainlist!!! Sophie is planning g the steps of an investigation. At what point should Sophie plan on first identifying the species of fly found on human remains? A.when maggot masses have stopped growing B. When multiple species of flies are observed C. When only eggs can be found D. When the air temperature is falling

Answers

Answer:

C. When only eggs can be found

what major products are formed when trimyristin is treated with naoh in aqueous ethanol?

Answers

Re-extracting trimyristin with Hf in aqueous ethanol results in the production of carboxyl group and glycerol.

What is the ethanol used for?

When diluted, all alcoholic beverages—beer, wine, and spirits—contain ethanol. To stop skin infections, it is a topical component used in cosmetics, perfumes, and pharmaceutical preparations such rub complexes, lotions, tonics, and colognes.

Why does ethanol show up in gas?

Due to its higher octane number than gasoline, ethanol offers better mixing capabilities. Regulations requiring a minimum octane number in fuel avoid engine knocking and guarantee drivability. For environmental purposes, ethanol is less harmful than unblended petrol.

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As ventricular systole begins, all four heart valves are closed during the:a) ventricular ejection phase.b) isovolumetric contraction phase.c) isovolumetric relaxation phase.d) ventricular filling phase.

Answers

As ventricular systole begins, all four heart valves are closed during the isovolumetric contraction phase.

What is the  isovolumetric contraction phase?

The isovolumetric contraction phase is a phase of the cardiac cycle that occurs during systole, which is the phase of the cardiac cycle when the heart muscle contracts and pumps blood out of the heart.

During the isovolumetric contraction phase, the ventricles of the heart are contracting, but the blood volume in the ventricles remains constant, as the atrioventricular (AV) valves are still closed and the semilunar valves have not yet opened.

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What is the difference between SN1 and SN2?

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The differences between SN₁ and SN₂ reactions are the number of steps in the reaction, the order of bond-breaking and bond-forming, the rate-determining step, the reaction rate dependency on the concentration of the nucleophile, and the stereochemistry of the product formed.

SN₁ and SN₂ are two different mechanisms of nucleophilic substitution reactions.

SN₁ mechanism: SN₁ stands for substitution nucleophilic unimolecular. In an SN₁ reaction, the reaction occurs in two steps. First, the leaving group will leaves, and then generating a carbocation intermediate. Then, the nucleophile will attacks on the carbocation, forming the product. The rate of the reaction depends on the concentration of the substrate only, and not on the concentration of the nucleophile.

SN₂ mechanism: SN₂ stands for substitution nucleophilic bimolecular. In an SN₂ reaction, the reaction occurs in a single step. The nucleophile attacks the substrate at the same time that the leaving group departs, leading to the formation of the product. The rate of the reaction depends on the concentration of both the substrate and the nucleophile.

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when filling a buret for a titration, first adjust the buret in the clamp so that ____ then, _____to add the titrant into the buret. the titrant should be filled ____.

Answers

When filling a buret for a titration, it is important to first adjust the buret in the clamp so that it is level and vertical. The titrant should be filled to just above the calibration mark at the zero point on the buret.

This is crucial to ensure that the titrant will be delivered accurately and consistently during the titration. A buret that is tilted or not level could result in inaccurate readings or inconsistent delivery of the titrant.

After adjusting the buret in the clamp, the next step is to add the titrant into the buret. This is typically done using a funnel to avoid spilling or splashing. It is important to add the titrant slowly and carefully to avoid air bubbles or excessive foaming, which could also affect the accuracy of the titration.

Any excess titrant should be drained out until the bottom of the meniscus is exactly at the calibration mark. This will ensure that the buret is filled accurately to the correct volume, allowing for precise and consistent delivery of the titrant during the titration.

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if 2.5 moles of each of these compounds are burned completely in o2, which will produce the largest amount of co2?

Answers

Answer:

C3H8

Explanation:

To determine which compound will produce the largest amount of CO2 when 2.5 moles of each is burned completely in O2, we need to compare the mole ratios of the compounds and the CO2 produced in their balanced chemical equations.

The balanced chemical equations for the combustion of the compounds are:

C3H8 + 5O2 → 3CO2 + 4H2O

C4H10 + 13/2 O2 → 4CO2 + 5H2O

C8H18 + 25/2 O2 → 8CO2 + 9H2O

From these equations, we can see that 1 mole of C3H8 produces 3 moles of CO2, 1 mole of C4H10 produces 4 moles of CO2, and 1 mole of C8H18 produces 8 moles of CO2.

Therefore, when 2.5 moles of each compound are burned completely in O2, the largest amount of CO2 will be produced by C8H18, which produces 8 moles of CO2 per mole of the compound. The amount of CO2 produced by 2.5 moles of C8H18 would be 8 x 2.5 = 20 moles.

In comparison, 2.5 moles of C3H8 would produce 3 x 2.5 = 7.5 moles of CO2, and 2.5 moles of C4H10 would produce 4 x 2.5 = 10 moles of CO2.

what is the volume of a solution that has a specific gravity of 1.2 and a mass of 185g

Answers

Answer:

≈154ml

Explanation:

To find the volume of a solution, we need to know its mass and its density (specific gravity is a measure of density). We can use the formula:

density = mass / volume

to solve for the volume.

In this case, we are given the mass of the solution, which is 185g, and the specific gravity, which is 1.2. The specific gravity is a ratio of the density of the solution to the density of water. Since the density of water is 1 g/mL, we can use the specific gravity to find the density of the solution:

density of solution = specific gravity x density of water = 1.2 x 1 g/mL = 1.2 g/mL

Now we can use the density formula to solve for the volume:

density = mass / volume

1.2 g/mL = 185 g / volume

volume = 185 g / 1.2 g/mL ≈ 154 mL

Therefore, the volume of the solution is approximately 154 mL.

What piece of lab equipment could you use to measure the volume in a drinking glass of water?
graduated cylinder
volumetric flask
graduated beakerall of the above

Answers

All of the above-mentioned pieces of lab equipment can be used to measure the volume of water in a drinking glass.

However, each piece of equipment has its own advantages and limitations.

A graduated cylinder is a common piece of lab equipment used for accurate measurement of liquid volumes. It has markings along the side that allow for precise measurement of the volume of liquid in the cylinder.

A volumetric flask is a piece of lab equipment designed to measure and hold a precise volume of liquid. It has a narrow neck and a flat bottom, and is typically used for preparing solutions of a specific concentration.

A graduated beaker is similar to a graduated cylinder, but has a wider base and is less accurate for measuring small volumes of liquid.

All three pieces of equipment can be used to measure the volume of water in a drinking glass, but the choice of equipment will depend on the required accuracy and precision of the measurement. A graduated cylinder would be the most accurate choice, while a graduated beaker may be sufficient for less precise measurements.

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Sodium metal reacts with sulfuric acid. The balanced equation is: 2Na + H2SO4 --> Na2SO4 + H2
Calculate the mass of sodium needed to produce 100g of hydrogen gas.

[Relative atomic masses:
H =1; Na =23]

Answers

Answer:A balanced chemical equation provides a great deal of information in a very succinct format. Chemical formulas

provide the identities of the reactants and products involved in the chemical change, allowing classification of the

reaction. Coefficients provide the relative numbers of these chemical species, allowing a quantitative assessment

of the relationships between the amounts of substances consumed and produced by the reaction. These quantitative

relationships are known as the reaction’s stoichiometry, a term derived from the Greek words stoicheion (meaning

“element”) and metron (meaning “measure”). In this module, the use of balanced chemical equations for various

stoichiometric applications is explored.

The general approach to using stoichiometric relationships is similar in concept to the way people go about many

common activities. Food preparation, for example, offers an appropriate comparison. A recipe for making eight

pancakes calls for 1 cup pancake mix, 3

4

cup milk, and one egg. The “equation” representing the preparation of

pancakes per this recipe is

1 cup mix + 3

4

cup milk + 1 egg ⟶ 8 pancakes

If two dozen pancakes are needed for a big family breakfast, the ingredient amounts must be increased proportionally

according to the amounts given in the recipe. For example, the number of eggs required to make 24 pancakes is

24 pancakes ×

1 egg

8 pancakes = 3 eggs

Balanced chemical equations are used in much the same fashion to determine the amount of one reactant required to

react with a given amount of another reactant, or to yield a given amount of product, and so forth. The coefficients in

the balanced equation are used to derive stoichiometric factors that permit computation of the desired quantity. To

illustrate this idea, consider the production of ammonia by reaction of hydrogen and nitrogen:

N2

(g) + 3H2

(g) ⟶ 2NH3

(g)

This equation shows ammonia molecules are produced from hydrogen molecules in a 2:3 ratio, and stoichiometric

factors may be derived using any amount (number) unit:

2 NH3 molecules

3 H2 molecules or

2 doz NH3 molecules

3 doz H2 molecules or

2 mol NH3 molecules

3 mol H2 molecules

These stoichiometric factors can be used to compute the number of ammonia molecules produced from a given

number of hydrogen molecules, or the number of hydrogen molecules required to produce a given number of

ammonia molecules. Similar factors may be derived for any pair of substances in any chemical equation.

Explanation:

Answer:

2.3 kg.

Explanation:

The balanced equation tells us that 2 moles of sodium (Na) reacts with 1 mole of sulfuric acid (H2SO4) to produce 1 mole of hydrogen gas (H2).

To calculate the mass of sodium needed to produce 100g of hydrogen gas, we need to use the following steps:

Calculate the number of moles of hydrogen gas produced from 100g of hydrogen gas.

Use the mole ratio from the balanced equation to determine the number of moles of sodium required to produce that amount of hydrogen gas.

Convert the moles of sodium to grams using the molar mass of sodium.

Step 1:

The molar mass of hydrogen gas (H2) is 2 g/mol. Therefore, 100g of hydrogen gas is equal to 100/2 = 50 moles of H2.

Step 2:

From the balanced equation, 2 moles of Na reacts with 1 mole of H2. So, the number of moles of Na required to produce 50 moles of H2 is:

2 moles Na / 1 mole H2 = 2 * 50 = 100 moles Na

Step 3:

The molar mass of sodium (Na) is 23 g/mol. Therefore, the mass of sodium required to produce 100g of hydrogen gas is:

100 moles Na * 23 g/mol = 2300g or 2.3 kg of Na

Therefore, the mass of sodium needed to produce 100g of hydrogen gas is 2.3 kg.

Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination product.

Answers

OH is an ortho/para directing activating substituent. The amide group inhibits the activity of the meta directing substituent. 3 and 5 positions appear to be the most advantageous. 

What is salicylamide?

Salicyl amide is indeed a non-prescription analgesic and antipyretic medication. Its medical applications are comparable to that of aspirin. In the prescription pain reliever Pain Aid, salicyl amide is combined with aspirin and caffeine.

OH is an ortho/para directing activating substituent. The amide group inhibits the activity of the meta directing substituent. When both impacts are considered, the 3 and 5 positions appear to be the most advantageous. 

Therefore,  3 and 5 positions appear to be the most advantageous. 

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What are the 3 types of compounds?

Answers

The three types of compounds are ionic , covalent and metallic compound.

A chemical compound known as an ionic compound is one that contains ions bound together by the electrostatic forces known as ionic bonding. Although having both positively and negatively charged ions, or cations and anions, the molecule is generally neutral.

Strong intramolecular connections are only seen in covalent substances. This is due to the firmly bound nature of the atoms within covalent bonds.

Chemical bonds known as metallic bonds are produced by the electrostatic attraction of positively charged metal ions and conduction electrons. The sharing of free electrons among a structure of positively charged ions could be used to characterize it.

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___ a mixture of elements that has metallic properties

Answers

Answer:

An alloy

Explanation:

An alloy is a mixture of elements that has metallic properties.

what is the half-life of a radioactive isotope?a.

Answers

A radionuclide's half-life is the amount of time it takes for half of its radioactive atoms to decay.

Because some atomic nuclei contain excess nuclear charge that makes them unstable, these nuclei undergo radioactive decay to transform into stable nuclei. These substances are known as radioactive substances.

Any of multiple species of the same chemical element with differing masses whose nuclei are unstable and spontaneously produce radiation in the form of alpha, beta, and gamma rays are known as radioactive isotopes, also known as radioisotopes, radionuclides, or radioactive nuclides.

The half-life of carbon-14 is 5,730 years. 5,730 years after the organism perished, just half of the original carbon-14 isotope will be present in the fossil.

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Please explain thoroughly.
Draw the lewis structure.
Label the molecule with - and + if applicable.
Draw the molecule 2 more times so that the molecules are correctly oriented based on the partial charges (if applicable). You should have 3 total molecules.
With a dashed line (----) show how this molecule would interact. (connect partial positive to partial negative)
Identify the type/s of intramolecular forces.
For SI2 & NH3

Answers

Answer: 3

 

Explanation:

how do the properties of water differ from those of most other substances? chemistry

Answers

Water is a unique substance in many ways. Here are some of the ways in which the properties of water differ from those of most other substances:High specific heat capacity ,High heat of vaporization,High surface tension,Expansion upon freezing,Universal solvent.

Water can absorb a lot of heat energy thanks to its high specific heat capacity, which prevents temperature rise. Because of this, water is a great coolant and aids in regulating the temperature of living things.

Due to its high heat of vaporisation, turning water from a liquid to a gas requires a significant amount of energy.

It has a high surface tension, which causes it to cluster and condense into droplets. The capillary action depends on this characteristic.

One of the few materials that expands when it freezes is this one. Since it enables aquatic species to float on top of the ice in extremely cold temperatures, this characteristic is crucial for their survival.

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Mass (g) to mass (g)

2Al + 3H2SO4 > Al2 (SO4)3 + 3H2
How many grams of aluminum sulfate would be formed if 22 moles of H2SO4 completely reacted with aluminum

Answers

Please mark brainliest to help

The balanced chemical equation for the reaction between aluminum (Al) and sulfuric acid (H2SO4) is:

2Al + 3H2SO4 → Al2(SO4)3 + 3H2

This equation shows that 2 moles of aluminum reacts with 3 moles of sulfuric acid to produce 1 mole of aluminum sulfate and 3 moles of hydrogen gas.

To convert mass (g) to mass (g) for this reaction, you would need to know the mass of one of the reactants and then use stoichiometry to determine the mass of the product(s) produced.

For example, if you had 10 grams of aluminum and excess sulfuric acid, you could use the following steps to determine the mass of aluminum sulfate produced:

Convert the mass of aluminum to moles using its molar mass:
10 g Al × (1 mol Al / 26.98 g Al) = 0.370 mol Al

Use the balanced chemical equation to determine the mole ratio of aluminum sulfate to aluminum:
2 mol Al : 1 mol Al2(SO4)3

0.370 mol Al × (1 mol Al2(SO4)3 / 2 mol Al) = 0.185 mol Al2(SO4)3

Convert the moles of aluminum sulfate to grams using its molar mass:
0.185 mol Al2(SO4)3 × (342.15 g Al2(SO4)3 / 1 mol Al2(SO4)3) = 63.00 g Al2(SO4)3

Therefore, if you had 10 grams of aluminum and excess sulfuric acid, you could expect to produce 63.00 grams of aluminum sulfate.

for questions 3 and 4, consider the following reaction:2 NO2 (g) → N2O4 (g)The rate law for the reaction is as follows:rate = k [NO2]2 where k = 0.0195 M–1·s–1 at 375 °CFor a reaction that starts with 2.2 moles of NO2 gas in a 0.40 L container, what is the concentration of N2O_4 in the container after one half-life of the reaction? Give your answer in units of mol/L with two significant figures.If the reaction starts with NO_2 at a concentration of 2.0 M, what will be the concentration after 60 seconds? Choose the closest answer.A 0.50 MB 0.60 MC 0.70 MD 0.80 ME 0.90 M

Answers

Answer: B 0.6M

Explanation:

Lab Solubility Student Guide (NEED ANSWERS)

Answers

Informational Goals Do a lab procedure to investigate the connection between temperature and solubility.

What's the current temperature?

According to temperature, heat energy will naturally move from a hotter body one with a higher temperature to a colder object one with a lower temperature.

The velocity of these particles likewise increases as the temperature rises. A thermometers or a digital thermometer is used to determine the temperature. The SI unit for temperature, oC, is symbolised by the symbol ′T′. The Celsius scale, the Fahrenheit scale, and the Kelvin scale are the three scales that are most frequently used to measure temperature.

A Kelvin scale is what?

This scale too is known as the SI temperature scale. Most of the scientific community uses it. It was created to pay tribute to renowned physicist Lord Kelvin.

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Answer:

These are the answers and the scatterplot

Explanation:

The 1st pdf is from someone else ("998129") and I did the scatterplot since it asks for it at the bottom of the student guide

-Edge 2023

why does hydrogen peroxide decomposes into water and oxygen?

Answers

Hydrogen peroxide decomposes into water and oxygen because it is a relatively unstable compound, and the decomposition reaction is exothermic, meaning that it releases energy.

Hydrogen peroxide is a compound made up of hydrogen and oxygen atoms, with the chemical formula H₂O₂. It is a relatively unstable compound and can break down into water and oxygen spontaneously. This decomposition reaction can be accelerated by the presence of catalysts such as heat, light, or certain metals.

The decomposition reaction of hydrogen peroxide is exothermic, meaning that it releases energy in the form of heat and light. This energy release can be observed as bubbles of oxygen gas form and escape from the liquid, while the remaining liquid turns into water.

The chemical reaction for the decomposition of hydrogen peroxide is as follows,

2H₂O₂ (hydrogen peroxide) → 2H₂O (water) + O₂ (oxygen)

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Name the first 3 alkali metals in group 1

Answers

Answer:

Explanation:

Francium, Sodium, Potassium

At the beginning of the second stage of aerobic respiration, pyruvate brings in carbon atoms. By the end of the second stage of aerobic respiration, where do those carbon atoms end up? A. Glucose B. Coenzyme C. Carbon dioxide

Answers

By the end of the second stage of aerobic respiration, the carbon atoms originally present in pyruvate end up as carbon dioxide (CO2) molecules.

What is aerobic respiration?

Cells employ oxygen during the process of aerobic respiration to create energy from food molecules like glucose. It is a metabolic pathway that takes place in prokaryotic cells' cytoplasm and the mitochondria of eukaryotic cells. By oxidising glucose in the presence of oxygen, aerobic respiration is a very effective process that releases a significant quantity of energy in the form of ATP (adenosine triphosphate).

The carbon atoms that were initially present in pyruvate end up as carbon dioxide (CO2) molecules by the time the second stage of aerobic respiration is complete. Pyruvate is oxidised to produce acetyl CoA during the second step, also referred to as the Krebs cycle or citric acid cycle, and this substance subsequently enters the Krebs cycle. Acetyl CoA is converted into carbon dioxide, water, and energy in the form of ATP during this cycle. At numerous phases of the Krebs cycle, the carbon atoms in acetyl CoA are fully oxidised to CO2, and then they are discharged as a waste product by respiration.

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How many formula units are in 1.24 moles of Na2S?

I need help please anything!

Answers

Answer:

In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together.

Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. These relative weights computed from the chemical equation are sometimes called equation weights.

A common request on this site is to convert grams to moles. To complete this calculation, you have to know what substance you are trying to convert. The reason is that the molar mass of the substance affects the conversion. This site explains how to find molar mass.

Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance.

Finding molar mass starts with units of grams per mole (g/mol). When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula.

If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100.

The atomic weights used on this site come from NIST, the National Institute of Standards and Technology. We use the most common isotopes. This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass.

Explanation:

Give a brief explanation of the calibration process.

Answers

Calibration is the process of adjusting or checking the accuracy of a measuring instrument or tool by comparing its measurement with a known standard or reference.

The calibration procedure consists of several steps, including:

Choosing a standard or reference: A known standard or reference that is accurate and traceable to national or international standards is chosen.Instrument preparation: The instrument is prepared for calibration by cleaning, adjusting, and stabilising it to ensure it is in good working order.The instrument is compared to the standard or reference, and any variances or mistakes are documented.Adjusting the instrument: If the instrument is out of alignment with the standard, it is adjusted.Calibration verification: The instrument is retested to ensure that it is now within the allowed range of error and meets the accuracy standards.

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When using acids and bases, note that these substances are _______. Make every effort to avoid contact with ________. Be sure to wipe up any spills _________.

Answers

When using acids and bases, note that these substances are corrosive. Make every effort to avoid contact with skin, eyes, and clothing. Be sure to wipe up any spills immediately.

Acids and bases are corrosive substances, which means they can cause damage to living tissues and other materials they come into contact with. Therefore, it is essential to take precautions when handling them.

Firstly, it is important to avoid any contact with skin, eyes, and clothing. If you do come into contact with an acid or base, immediately rinse the affected area with plenty of water for at least 15 minutes and seek medical attention if necessary.

Secondly, any spills should be cleaned up immediately to prevent further damage or harm. You should wear appropriate protective equipment, such as gloves and safety goggles, when handling these substances to reduce the risk of exposure.

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atoms always become smaller when they electrons and form ions with a

Answers

Atoms are the smallest units of matter that have all the characteristics of an element.

Is an atom smaller than an electron?

The first exact theory explaining the creation of matter was Dalton's Atomic Theory: 1. All matter is composed of atoms, and atoms are indivisible and unbreakable atoms are the smallest units of matter that have all the classification of an element. Atoms combine to form molecules. Atoms are composed of smaller enduring known as protons, neutrons, and electrons.

Atoms together to form molecules. Atoms are composed of smaller speck known as protons, neutrons, and electrons.

So we can conclude that An atom gets larger as the symbol of electronic shells increase

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term for the negatively charged subatomic particle are called____

Answers

An atom has a charged as well as neutral particles and these particles is called subatomic. The term for the negatively charged subatomic particle are called electrons.

An atom is the smallest unit of matter. There are three main types of subatomic particles : protons, neutrons and electrons. Two subatomic particles have charged particles, that is, protons are positively charged and electrons are negatively charged. An electron is a daughter particle of an atom, a negatively charged particle that orbits around the nucleus at a constant. Scientist J. J. Thompson discovers the electron. An electron has a charge of negative 1.60217662 × 10⁻¹⁹ Coulombs. The mass of a electron is 9.1093835× 10⁻³¹kg.

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is deontology a theory Find the nouns from the poem the shell An infant is diagnosed with colic due to sensitivity to cow's milk. What treatment does the nurse expect to be included in the care plan?1 Use of phenobarbital2 Use of acetaminophen elixir3 Use of simethicone4 Use of extensively hydrolyzed formula in a monocot seed such as corn, in what structure is the food for the embryo stored? which school of thought in the strategic management field combines the other 9 schools of thought? why does hydrogen peroxide decomposes into water and oxygen? What is the most common type of leukocyte in a healthy adult?A.Eosinophil. B.Lymphocyte. C.Basophil. D.Neutrophil the usual price of a bag of oranges was $4. during a promotion, two bags of oranges were sold for $5.99. find the percentage decrease in the price of the two bags of oranges. give your answer correct to 1 decimal place. Ten years ago, hailey invested $1,200 and locked in an annual interest rate of 9 percent for 30 years (ending 20 years from now). Aidan can make a 20-year investment today and lock in an interest rate of 10 percent. How much money should he invest now in order to have the same amount of money in 20 years as hailey? Find the number of years necessary for an investment to double at each of these rates of simple interest. Round to the nearest tenth if necessary.Interest Rate: 11% what callsed sensitivity to the circumstances in which a conversation occurs Crossing over occurs in prophase I of meiosis I. Which is an advantage of crossing over?Choose the right option:A) It increases genetic diversityB) It increases the accuracy of genetic replicationC) It increases the opportunity for mutationD) It increases the possibility of genetic recombination one afternoon, huyen and phong go outside after it stops raining. the sun comes out, and when they look up, they can see a rainbow. huyen knows that the different colors of light in the rainbow come from waves that have different wavelengths. if each color has a different wavelength, why are huyen and phong able to see all of the different colors at the same time? What are the 3 P's of professionalism? the location, time period, and family into which individuals are born affect their set of meanings about how the world works. True /False briefly explain how the human body maintains PH (acid/base) balance. Chuck works at the BuyMore where people can bring in broken computers. When a customer enters the store there is a good chance he will not be paid anything from helping them. But sometimes there is a chance he will be paid to work on their computer. The probability of each amount from a random customer is given in the following table: Job payment Probaiblity $8 0.42 $120 0.08 $300 0.05 $1,500 0.02 When the next person walks into the BuyMore, how much money can Chuck expect to get from them on average? Answer to two decimals $ 57.96 What is the probability he will get less than $283 from a random customer? Answer to four decimals What is the standard deviation for the payments from the customers? Answer to two decimals What is the median job payment amount? Answer to two decimals Consider the degree of copper tolerance in grass plants on or near ancient mine sites in the figure. Complete the sentences. Individuals with tolerant alleles have ____ growth rates on unpolluted soil and _______ growth rates on mined soils. Therefore, we would expect copper tolerance to be ________ % on mine sites and _________ % on unpolluted sites if natural selection is acting alone. However, index of copper tolerance _______ decreases from the downwind side of the mine. This is example where _______ constrains selection A 0.60-kg block initially at rest on a frictionless, horizontal surface is acted upon by a force of 7.0 N for a distance of 2.0 m. How much farther would the force have to act for the block to have 57 J of kinetic energy? place the levels of management in order from highest to lowest.