what is ph of acetic acid?

In the given acid-base reaction, CH[tex]_3[/tex]NH[tex]_2[/tex](g) + H[tex]_2[/tex]O(1) → CH[tex]_3[/tex]NH[tex]_3[/tex](aq) + OH¯(aq), CH[tex]_3[/tex]NH[tex]_2[/tex](g) is the base.

The exchange with one or maybe more hydrogen ions, H+, among species that could be neutral (molecules like water, H2O, or acetic acid, CH3CO2H), as well as electrically charged (ions like ammonium, NH4+, hydroxide, OH, or carbonate, CO32), is what is known as an acid-base reaction.

It also covers equivalent behavior of acidic ions and molecules (aluminum chloride, AlCl3, and the silver ion AG+) that do not give hydrogen ions. In the given acid-base reaction, CH[tex]_3[/tex]NH[tex]_2[/tex](g) + H[tex]_2[/tex]O(1) → CH[tex]_3[/tex]NH[tex]_3[/tex](aq) + OH¯(aq), CH[tex]_3[/tex]NH[tex]_2[/tex](g) is the base.

Therefore,  in the given acid-base reaction, CH[tex]_3[/tex]NH[tex]_2[/tex](g) + H[tex]_2[/tex]O(1) → CH[tex]_3[/tex]NH[tex]_3[/tex](aq) + OH¯(aq),  CH[tex]_3[/tex]NH[tex]_2[/tex](g) is the base.

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Answer:

when the enzyme comes into contact with its substrate, hydrogen peroxide it starts breaking it down into water and oxgen

Explanation:

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3% mass by volume solution contain 3 g of the solute per 1 L of the solution. 3 g of hydrogen peroxide contains 0.088 number moles. Then molarity of the solution is 0.088 M.

Molarity of a solution is a common term used to express the concentration of a solution. It is the ratio of number of moles of solute to the volume of the solution in liters.

Mass by volume percent is another term for concentration indicating how many grams of the salt is present in one liter of the solution.

Given mass/ volume of hydrogen peroxide = 3%

that is 3 g in 1 L

molar mass of H₂O₂ = 34g/mol

then no.of moles in 3 g = 3 g /34 g/mol = 0.088 moles.

Then molarity of 0.088 moles in 1 L solution is 0.088 M.

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Answer:

D carbon dioxide

Explanation:

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When an oceanic plate is subducted beneath another plate during a convergent boundary, the rock that can likely result is metamorphic rock.

Explanation:

This occurs because as the oceanic plate is subducted, it is forced deep into the Earth's mantle where it is subject to extreme heat and pressure. This heat and pressure cause the minerals and rocks in the oceanic plate to recrystallize, creating metamorphic rocks.

Examples of metamorphic rocks that can be formed from subducted oceanic plates include blueschist, eclogite, and amphibolite. These rocks can then be brought to the surface through a process called uplift and can be studied to understand the geological history of the area.

~ Zeph

According to the forces of attraction, the  most important intermolecular force found between neighboring alanine molecules is hydrogen bonding.

Forces of attraction  is a force by which atoms in a molecule  combine. it is basically an attractive force in nature.  It can act between an ion  and an atom as well.It varies for different  states  of matter that is solids, liquids and gases.

The forces of attraction are maximum in solids as  the molecules present in solid are tightly held while it is minimum in gases  as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.

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Precipitate is produced when Nibr2 and AgNo3 are combined in aqueous solutions. The correct option to this question is A.

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Differentiating pressure, cryogenic, liquid, and solid containers from a distance can be challenging, as their visual appearance may be similar. However, some general guidelines can help identify the type of container and the likely contents:

Pressure containers are typically cylindrical and have pressure relief valves, gauges, and safety fittings. They are designed to store gases under high pressure and are likely to contain compressed gases such as hydrogen, oxygen, or nitrogen.

Cryogenic containers are heavily insulated and designed to store liquefied gases at very low temperatures. They often have a distinctive shape, with a wide base and a narrow neck. Cryogenic containers may contain liquefied gases such as nitrogen, helium, or argon.

Liquid containers may be similar in appearance to cryogenic containers but do not require heavy insulation. They are designed to store liquids such as chemicals, fuels, or solvents.

Solid containers are typically smaller and may be made of plastic or metal. They are used to store solid hazardous materials such as explosives, flammable solids, or oxidizing agents.

It's important to note that hazardous materials can be stored in any type of container, and that the container itself may not always be a reliable indicator of the contents. Proper labeling, placarding, and handling procedures should always be followed to ensure the safe transport and storage of hazardous materials.

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Answer:

True

Explanation:

If we know the resistance and the voltage, then we can find the current using the ohm's law, according to which Voltage = Current×Resistance

so from this equation

Current = Voltage/ Resistance

Therefore the statement is true

Chemistry is the term for the branch of science which students the atoms ( i.e., smallest unit of matter) and molecules (combination of atoms).

Chemistry is a branch of science that studies matter, that is, anything that has mass and occupies space, and how matter changes under the influence of various energies, environments, and conditions. Atoms are the basic building blocks of chemistry. The smallest unit that can divide matter without releasing charged particles. It is also the smallest unit of matter that has the properties of a chemical element. Theory of atoms was propsed by Dalton in 19th century. It was the first theory of atom and it is called atomize.

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The correct Lewis structure of IF₅ is given below in the image attached.

Generally a Lewis Structure is defined as a very simplified representation of the valence shell electrons in a molecule. Lewis structure is basically used to show how the electrons are arranged around individual atoms present in a molecule.

Generally, in the Lewis structure of  IF₅, there are five fluorines atoms connected with a single bond surrounding the central atom i.e., I. The iodine atom usually carries one lone pair and five fluorine atoms carry three lone pairs. Iodine pentafluoride generally have a square pyramidal geometry and the hybridization of IF₅ is sp₃d₂.

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The 22 non-metals present in the periodic table is H, He, C, N, O, F, Ne, P, S, Cl, Ar, Se, Br, Kr, I, Xe, At and Rn etc.

Generally, non-metals are defined as the natural materials that do not produce heat or electricity and that are structurally brittle (can not undergoes the process of rolling, moulding, extruding or pressing). Hydrogen, carbon, nitrogen, oxygen, phosphorus, arsenic and selenium are some of the the non-metallic elements in the periodic table.

The main 5 properties of non-metals are:

They are brittle.

They are bad conductors of heat and electricity (except graphite).

They are non-lustrous (dull) and cannot be polished (except iodine).

They may be solids, liquids or gases at room temperature.

They are neither tough nor strong.

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A number placed in front of a chemical symbol or formula in a chemical equation is called a coefficient.

Coefficients are used to balance a chemical equation by adjusting the relative numbers of reactant and product molecules to satisfy the law of conservation of mass. For example, the balanced equation for the reaction between hydrogen gas and oxygen gas to form water is:

2H₂(g) + O₂(g) → 2H₂O(l)

In this equation, the coefficients in front of the reactants and products (2 and 1, respectively) indicate that two molecules of hydrogen react with one molecule of oxygen to form two molecules of water. The coefficients must be chosen so that the number of the atoms of each of the element is the same on both sides of the equation.

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The one that is accompanied by the lactic acid formation is the Anaerobic glycolysis.

The Lactic acid will be mainly produced in the muscle cells and the red blood cells. It will forms when the body will breaks down the carbohydrates in to the use for the energy when the oxygen levels are low.

The Anaerobic glycolysis can be define as the energy production in the cells that cannot be produce the adequate energy through the oxidative phosphorylation. In the poorly oxygenated tissue, the glycolysis produces the 2 ATP by shunting the pyruvate away from the mitochondria and via the lactate dehydrogenase reaction.

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Answer: is in equilibrium with

hope this helped

Answer is shown in the image

The mass of a helium in the tire, as approximated by an ideal gas, is 0.465 grams. Helium is a fictitious gas made up of the following types of molecules: Molecular interactions in ideal gases are neutral.

Many gases, including nitrogen, oxygen, gas, noble gases, certain heavier gases, like carbon dioxide, and mixtures, like air, can be considered as ideal gases when they are maintained within acceptable

Given the question below, we may infer that

V = 280 m L=0.365 L and P=7.8 atm

T = 25⁰ C = 298 K

Mr = 4

We obtain the mass by applying the ideal gas equation.

P V = n R T 7.8. 0.365 = gr / Mr. 0.0821. 298

7.8. 0.365 gm / 4. 0.0821 gm / 298 gm = 0.465 gm

A perfect gas is one that complies with the ideal gas law and has a heat capacity that is unaffected by temperature, according to physicists. Engineers refer to a gas as being ideal if it complies with the ideal gas rule and exhibits a temperature-dependent heat capacity.

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Fluorine-18 positron emission is a type of nuclear medicine imaging technique used to diagnose diseases and monitor treatment.

Fluorine-18 positron emission is a type of medical imaging procedure used to help diagnose and treat certain medical conditions. It is a type of nuclear medicine imaging that uses a radioactive form of the element fluorine, fluorine-18 (18F), to produce images of the body. During the procedure a radio-tracer containing 18F is injected into the patient through an IV. The 18F then travels through the bloodstream and is absorbed by organs and tissues that have high metabolic activity. The 18F decays by emitting a positron, which is a type of particle with a positive charge. As the positron travels through the body, it collides with electrons and forms gamma rays. These gamma rays are detected by a special camera that produces images of the body.

Fluorine-18 positron emission is used to diagnose and treat a variety of medical conditions including cancers, heart disease, and neurological disorders. For example, 18F can be used to identify tumour in the body and to evaluate the effectiveness of cancer treatments. It can also be used to assess heart function and detect blockages in the arteries. Additionally, 18F can be used to assess the effects of stroke and other neurological disorders.

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Pure liquids and solids are not included in the equilibrium constant expression because their concentrations do not change significantly during the reaction and they do not affect the reaction quotient.

Pure liquids and solids are often ignored when writing the equilibrium constant expression because their concentrations remain constant and do not affect the equilibrium position. This is due to their very low vapor pressures compared to the gaseous reactants and products.

For example, in the reaction A(s) + B(g) ⇌ C(g) + D(l), the concentration of the liquid D remains constant and does not change the equilibrium position. Therefore, it is not included in the equilibrium constant expression.

In reactions involving aqueous solutions, the concentration of water is included because it can vary significantly and affect the equilibrium position.

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The mass of sucrose that is hydrolyzed when 2.60 l of a 0.160 m sucrose solution is allowed to react for 200 minutes is 106 g.

The following information in the complete question;

Rate constant (k) = 1.8 x 10^-4 s^-2

Initial concentration (Ao) = 0.130 M

Time is taken =  190 minutes or 11400 seconds

Final concentration (A) =?

Given that;

lnA = lnAo - kt

A = e^ lnAo - kt

A = e^[(ln0.130) - ( 1.8 x 10^-4  x  11400)

A = 0.017 M

Now;

n = CV

n = Number of moles

C = Molar concentration

V = volume

After hydrolysing the number of moles = 0.017 M ×  2.75 L

= 0.047 moles

Before hydrolysing number of moles =0.130 M  ×  2.75 L = 0.358 moles

Hydrolysed number of moles include=  0.358 moles - 0.047 moles = 0.311 moles

Mass = Number of moles × molar mass

Molar mass of sucrose = 342 g/mol

Mass =   0.311 moles × 342 g/mol

Mass = 106 g

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There are approximately [tex]1.424 x 10^24[/tex] oxygen atoms in 52.06 g of carbon dioxide.

To calculate the number of oxygen atoms in 52.06 g of carbon dioxide, we want to initially decide the number of moles of carbon dioxide present, and afterward utilize the mole proportion between carbon dioxide and oxygen to compute the number of oxygen iotas.

The molar mass of carbon dioxide (CO2) is 44.01 g/mol, and that implies that 1 mole of CO2 contains 2 moles of oxygen iotas (since the nuclear proportion of O to C in CO2 is 2:1).

Thus, to calculate the quantity of moles of CO2 in 52.06 g, we partition the mass by the molar mass:

n = m/M = 52.06 g / 44.01 g/mol = 1.182 mol

Now, we can use the mole ratio between CO2 and O to find the number of oxygen atoms:

1.182 mol CO2 x 2 mol O / 1 mol [tex]CO2 x 6.022 x 10^{23}[/tex] atoms/mol = [tex]1.424 x 10^{24}[/tex]oxygen atoms

Therefore, there are approximately [tex]1.424 x 10^{24}[/tex] oxygen atoms in 52.06 g of carbon dioxide.

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The family would have to compare the premiums and out-of-pocket costs of both plans to determine which one is the most cost-effective for their specific medical needs.

To determine which plan would save the family more money, we need to compare the total cost of each plan over a year. Let's assume that the total medical expenses for the family in a year are $15,000.

With the PPO that has a $5,000 deductible, the family would have to pay the first $5,000 of medical expenses out of pocket. After that, the insurance plan would cover the remaining $10,000 of expenses. The family's out-of-pocket cost for the year would be $5,000 (deductible) plus the cost of the insurance premiums. If the insurance premiums are less than the amount they would have paid with the 20% plan, then the PPO with a $5,000 deductible would be more cost-effective.

With the plan that requires the insured person to pay 20% of the cost, the family would have to pay 20% of the total medical expenses, which would be $3,000 (20% of $15,000). In addition, they would also have to pay the cost of the insurance premiums. If the insurance premiums are greater than the amount they would have paid with the PPO, then the plan that requires them to pay 20% of the cost would be more expensive.

Therefore, we need to compare the cost of the insurance premiums for each plan to determine which one would save the family more money. If the premiums for the PPO plan are less than the additional $2,000 cost of the 20% plan ($5,000 - $3,000), then the PPO with a $5,000 deductible would be more cost-effective. If the premiums for the 20% plan are less than the additional $2,000 cost of the PPO plan, then the 20% plan would be more cost-effective.

In general, it is difficult to determine which plan is more cost-effective without knowing the specific insurance premiums for each plan. The family should compare the premiums and out-of-pocket costs of both plans to determine which one is the most cost-effective for their specific medical needs.

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The characteristic that can be observed in table salt, water, stone, rice and corn is that they are all examples of matter in science.

Matter is characterized by its physical properties, such as mass, volume, density, hardness, malleability, and solubility. Table salt is a solid with a crystalline structure, water is a liquid, stone is a solid with a crystalline or amorphous structure, rice is a granular solid, and corn is a kernel or seed.

It is worth mentioning that the study of matter is of utmost importance to better understand the world and the universe.

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Answer:

Electrons orbit the nucleus in an atom.

The compound pairs are the constitutional isomers are :

C. CH₃COCH₂CH₃ and CH₃CH₂COCH₃

D. CH₃CH₂CH₂CHO and CH₃COCH₂CH₃

G. CH₃COCH₂CH₃ and CH₃CH₂COCH₃

H. CH₃CH₂CH₂CHO and CH₃COCH₂CH₃

When the compounds have same molecular formula represents by the different compounds which are differ from the one another by the means of their structures are called the constitutional isomers.

The Constitutional isomers are those which have the same molecular formulas, but they will have the different connectivity.

C. CH₃COCH₂CH₃ and CH₃CH₂COCH₃ , the number of the carbon , oxygen and hydrogen atoms are same but the structure are different.

D. CH₃CH₂CH₂CHO and CH₃COCH₂CH₃, the number of the carbon , oxygen and hydrogen atoms are same but the structure are different.

G. CH₃COCH₂CH₃ and CH₃CH₂COCH₃, the number of the carbon , oxygen and hydrogen atoms are same but the structure are different.

H. CH₃CH₂CH₂CHO and CH₃COCH₂CH₃, the number of the carbon , oxygen and hydrogen atoms are same but the structure are different.

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The order of decreasing boiling point is: Nonadecane > Paraffin > Pentane > 2,2-dimethylpropane > Propane.

The boiling point of hydrocarbons depends on their molecular size and shape, as well as intermolecular forces, such as Van der Waals forces. Larger molecules and molecules with more branching tend to have weaker intermolecular forces, resulting in lower boiling points.

So, the order of decreasing boiling point of the given hydrocarbons is:

Nonadecane: This is the largest molecule among the given hydrocarbons, and it has the strongest intermolecular forces due to its size. It has the highest boiling point among the given options.

Paraffin: Paraffin is a general term for straight-chain alkanes, such as methane, ethane, propane, and butane. Among these, propane has the lowest molecular weight and boiling point, while butane has a higher boiling point due to its larger size. However, the exact boiling point of paraffin depends on the specific molecule, so we cannot say for sure where it falls in this list.

Pentane: Pentane is a branched-chain alkane, which means it has weaker intermolecular forces than a straight-chain alkane of the same size. However, it still has a higher boiling point than propane due to its larger size.

2,2-dimethylpropane: This molecule is highly branched, which means it has very weak intermolecular forces. It has the lowest boiling point among the given options.

So, the order of decreasing boiling point is: Nonadecane > Paraffin > Pentane > 2,2-dimethylpropane > Propane.

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To determine half-life The substance's decay constant can be found. Divide the substance's decay constant by the natural logarithm of 2, also known as ln(2). we can use the knowledge that the half-life of 14C is 5700 years to determine the constant, k.

C has a 5,730-year half-life. In other words, a sample of organic material contains just 50% of the original amount of 14C after 5,730 years. Only 25% of the 14C is left after an additional 5,730 years, for a total age of 11,460 years. The half-life is the length of time it takes for an isotope to decay from a given amount by half. For instance, carbon-14 has a 5,730-year half-life. Assume you begin with 100 grammes of carbon-14. Half of it decays in 5,730 years. Half-life is the length of time it takes for a radioactive element to decay to half of its initial value. Moreover, this indicates that one half life is the duration of the activity.

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Four physical properties of matter are density, colour, hardness, melting and boiling points and many more.

The matter is usually composed of tiny particles known as atoms and can be represented as something that occupies space. It must represent both the mass and volume properties.

Properties are defined as the features that capable us to differentiate one material from another. A physical property is usually a characteristic of matter that does not depend on its chemical composition.

Generally a physical property is defined as an attribute of matter that is independent of its chemical composition. Some of the main examples of physical properties density, color, hardness, melting and boiling points, and electrical conductivity.

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Acetic acid will corrode metals since it is acidic, forming acetate salts in the process. For instance, acetic acid and magnesium (Mg) will combine to generate magnesium acetate

What is the role of magnesium in the body?

Magnesium is required by the body to keep its muscles, especially the heart, healthy. According to research, magnesium is crucial for heart health. A 2018 research found that a person's risk of cardiovascular issues can rise if they have a magnesium shortage. This is partially brought on by its cellular functions.

What are supplements for magnesium?

A mineral called magnesium that is necessary for the body's regular bone structure. Although most people acquire their magnesium through food, if levels are extremely low, magnesium supplements may be necessary.

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