When carbonated beverage is sealed, then it is saturated with carbon dioxide. Option B is correct.
The carbonation process involves in the dissolving carbon dioxide gas in water under high pressure, and when the pressure is released, some of the gas escapes and forms bubbles. The remaining carbon dioxide in the liquid is in a state of equilibrium with carbon dioxide in the gas phase, which means that solution is saturated with carbon dioxide at that pressure and temperature.
A carbonated beverage is a drink that has been infused with carbon dioxide gas under high pressure, resulting in a bubbly and fizzy texture. The carbonation process occurs when carbon dioxide gas is dissolved in water, which then forms carbonic acid. This carbonic acid is responsible for the tangy taste and slight burn that is often associated with carbonated beverages.
Hence, B. Saturated with carbon dioxide is the correct option.
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what mass of uranium contains the same number of atoms as 25.0 g of potassium (can you the work please)
Answer:
approximately equal to 152 grams of uranium
Explanation:
1. to find the number of atoms in 25.0 grams of potassium, we can find the number of moles of potassium in 25.0 g by dividing that by the molar mass (found on a standard IUPAC periodic table) and then multiply that by Avogadro's constant, the number of 'items' (molecules, atoms, ions, etc...), which is 6.022×10²³ to get the number of atoms in 25.0 g of potassium.
n(K) = m/M = 25.0/39.10 = 0.639386... mol of potassium.
N(K) = n×Nₐ = 0.639386...×6.022×10²³ = 3.85038...×10²³ atoms
2. In uranium, 3.85038...×10²³ atoms also equals 0.639386... moles. We can multiply this number by the molar mass of uranium (grams per mole), to get the mass of uranium.
m(U) = nM = 0.639386...×238.0 = 152.1738...
Therefore, the mass of uranium which contains the same number of atoms as 25.0 g of potassium ≈ 152 g
Write a scientific claim answering the question: How does bamboo provide the materials and energy for a panda to grow and function? Use evidence from the previous tasks to support your claim and apply scientific reasoning to show why this evidence supports your claim.
Answer:
The scientific claim is that bamboo provides the materials and energy for a pandas to grow and function due to its high nutritional content. Bamboo is known to be high in fiber, protein, and carbohydrates and has been observed as the main source of nutrition for pandas in the wild. Additionally, the Berlin Airlift provided evidence that the US and its allies were willing to provide humanitarian aid to support West Berlin's citizens and this demonstrates that bamboo can be effectively transported and used as a reliable source of nutrition. Furthermore, the principle of containment also provides evidence that Bamboo is capable of providing the necessary materials and energy for a panda to grow and function because it has been observed as the primary source of nutrition for this species. Thus, the facts that bamboo is rich in nutrients and can be transported effectively indicates that it is an important factor in providing the materials and energy for a panda to grow and function.
Scientific Claim: Bamboo provides the necessary materials and energy for a panda to grow and function by being a highly nutritious food source that contains the necessary nutrients, such as protein, carbohydrates, and fiber, as well as providing energy through its high caloric content.
Evidence:
Pandas are herbivores and primarily feed on bamboo, with over 99% of their diet consisting of bamboo.Bamboo has a high nutrient content, containing protein, carbohydrates, fiber, and other essential nutrients that are necessary for a panda's growth and survival.Bamboo has a high caloric content, which provides the energy needed for a panda's daily activities, including growth and reproduction.Scientific reasoning:
The evidence from previous tasks supports the claim that bamboo provides the necessary materials and energy for a panda to grow and function. As herbivores, pandas rely on a plant-based diet, with bamboo being the primary food source. Bamboo is a highly nutritious food source, containing the necessary nutrients, such as protein, carbohydrates, and fiber, that are essential for a panda's growth and survival.
The solubility of a gas in water will typically decrease most with Select the correct answer below:
A. increasing polarity.
B. decreasing polarity.
C. decreasing temperature.
D. increasing pressure.
The solubility of a gas in water will typically decrease with decrease in polarity. Hence, the correct choice is B.
Generally, the solubility of any gas in a particular liquid is defined as the volume of the gas present in cc which can dissolve in a unit volume of the liquid in order to form the saturated solution at the temperature of the experiment and under the pressure of one atmosphere.
Generally the solubility of the gas in a liquid solution decreases with increase in temperature and decrease in polarity. This is due to, with an increase in temperature, the kinetic energy present in the gas molecule usually increases, thus it becomes difficult for liquid molecules to hold them. Hence, the correct option is B.
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A sample of hydrogen has a volume of 4.25 L at a temperature of 28°C and a pressure of 1.25 atm. Calculate the moles of H2 molecules present in this gas sample.
Therefore, the sample of hydrogen gas contains 0.164 moles of H2 molecules.
What is moles?Moles (symbol: mol) is a unit of measurement that is commonly used in chemistry to express the amount of a substance. One mole is defined as the amount of a substance that contains as many elementary entities (such as atoms, molecules, or ions) as there are in 12 grams of carbon-12. The number of elementary entities in one mole is known as Avogadro's number, which is approximately 6.022 x 10^23. This means that one mole of any substance contains 6.022 x 10^23 elementary entities. The concept of moles is important in chemistry because it allows us to easily compare and relate the amount of different substances in chemical reactions. For example, if we know the number of moles of a reactant and the stoichiometry of a reaction, we can calculate the number of moles of product that will be produced. This makes it possible to predict and control the outcome of chemical reactions.
Here,
To solve this problem, we can use the ideal gas law:
PV = nRT
where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature in kelvin.
First, we need to convert the temperature to kelvin:
T = 28°C + 273.15 = 301.15 K
Next, we can plug in the given values and solve for n:
n = (PV)/(RT)
n = (1.25 atm)(4.25 L)/(0.0821 L·atm/mol·K)(301.15 K)
n = 0.164 mol
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What volume of 0. 900% w/v saline solution can be prepared from 0. 300 L of a 3. 00% w/v saline solution available in stock?
The volume of 0.900% w/v saline solution that can be prepared from 0.300 L of a 3.00% w/v saline solution available in stock is 1.00 L.
To prepare a 0.900% w/v saline solution from a 3.00% w/v stock solution, we need to use the dilution formula:
C₁V₁ = C₂V₂
where C₁ is the concentration of the stock solution, V₁ is the volume of the stock solution, C₂ is the concentration of the diluted solution, and V₂ is the volume of the diluted solution.
Plugging in the given values, we get:
(3.00%)(0.300 L) = (0.900%)(V₂)
Solving for V₂, we get:
V₂ = (3.00%)(0.300 L) / (0.900%)
V₂ = 1.00 L
Therefore, the volume of the 0.900% w/v saline solution that can be prepared from the 0.300 L of the 3.00% w/v stock solution is 1.00 L.
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Help needed if u can:))))
Answer:
KMnO4
Explanation:
For a compound of 100g
K has 24.74% or 24.74 g
=> 24.74/39.10 = 0.63
Mn has 34.76% or 34.76g
=> 34.76/54.95 = 0.63
O has 40.50% or 40.50g
=> 40.50/16 = 2.53
So K:Mn:O = 0.63:0.63:2.53
If divided by 0.63 => 1:1:4
Then the empirical formula is KMnO4
what is molar mass of ethanol?
The molar mass of the ethanol is 46 g/mol. The ethanol is the covalent compound.
The chemical formula for the organic compound ethanol is C₂H₅OH.
The molar mass of the ethanol that is C₂H₅OH is as follows :
The molar mass of the ethanol, C₂H₅OH = 2(12) + 1 (6) + 1 (16)
The molar mass of the ethanol, C₂H₅OH = 46 g/mol
The ethanol is the covalent compound. The covalent bond is formed in between the atoms or the molecules by the mutual sharing of the electrons. The compound formed by the covalent bond is called as the covalent compound.
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How many grams of oxygen gas would be needed to react completely with 9.76 moles of iron according to the equation below? Please round your answer to two digits after the decimal point and don't forget units and substance! Fe + O2 --> Fe2O3
Fe + O₂ → Fe₂O₃
19.52 moles of oxygen gas would be needed to react completely with 9.76 moles of iron according to the equation.
What is oxygen gas?Oxygen gas is a form of oxygen (O2) that exists as a gas at standard temperature and pressure. It is an important component of the Earth's atmosphere, making up 21% of the air we breathe.
Oxygen is produced by photosynthesis in plants and by the process of respiration in animals. In addition, oxygen is used in many industrial processes, such as welding and other forms of combustion. Oxygen is also used in medical applications, such as in oxygen therapy and in medical devices such as ventilators.
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The quantity of grams of oxygen gas that will be needed to react completely with 9.76 moles of iron according to the equation above would be = 624.64g
How to calculate the quantity of carbon?From the above equation;
1 mole of Fe reacted with 2 moles of oxygen
9.76 moles of Fe would react with X moles of oxygen.
That is;
1 mole Fe = 2 moles oxygen
9.76 mole Fe = X moles of oxygen
Make X the subject of formula;
x = 9.76× 2
X = 19.52 moles of oxygen.
But 1 mole of oxygen = 32 g
19.52 moles = X
Make X the subject of formula:
X = 32×19.52 = 624.64g.
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the phenolate ion will appear this color under acidic conditions. What color is this?
The phenolate ion is a conjugate base of phenol and it appears colorless in its pure form. However, under acidic conditions, it can be protonated to form phenol, which is a colorless compound.
It is possible that the question is referring to the color of a compound that contains the phenolate ion and the changes color under acidic conditions. One example of such a compound is the phenolphthalein, which is a colorless in acidic solutions and appears pink in basic solutions.
In this case, the phenolate ion will not be visible under the acidic conditions as it will have been protonated.
The phenolate ion is an anion that is derived from phenol by the loss of a proton (H⁺). Phenol is an aromatic organic compound that has a hydroxyl (-OH) group attached to a benzene ring. In the presence of a base, such as sodium hydroxide (NaOH), phenol can lose a proton from the hydroxyl group, resulting in the formation of the phenolate ion.
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what atom is weakly electronegative and would be more stable if it gave up a valence electron?
Potassium atom is weakly electronegative and would be more stable if it gave up a valence electron.
The propensity of an element to draw a pair of bonding electrons is measured by its electronegativity. The Pauling measure is most frequently employed. The number ranges from 4.0 for fluorine, the most electronegative element, to 0.7 for cesium and francium, the least electronegative elements.
What happens if two elements with equivalent electronegativity combine?
Think about the connection between elements A and B. Since both atoms have the same propensity to attract the bonding pair of electrons if they are equally electronegative, it will typically be located halfway between the two atoms.
Normally, A and B would have to be the same atom to form a connection like this. This kind of bond can be found in compounds like H2 or Cl2, for instance. It's essential to keep in mind that this is a typical image. Actually, the electrons are in a molecule orbital, where they are constantly revolving. The electrons in this type of connection are distributed equally between the two atoms, making it a "pure" covalent bond.
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what is the numerical ratio of the rate of change in the concentration of co2 to the rate of change in the concentration of o2
The numerical ratio of the rate of change in the concentration of CO2 to the rate of change in the concentration of O2 depends on the specific conditions and context being considered.
Numerical ratio explained.
The numerical ratio of the rate of change in the concentration of CO2 to the rate of change in the concentration of O2 depends on the specific conditions and context being considered. However, in general, the ratio of the rate of change in the concentration of CO2 to the rate of change in the concentration of O2 can provide insights into various biological, ecological, and atmospheric processes.
For example, in the process of cellular respiration, the ratio of CO2 produced to O2 consumed is 1:1, meaning that the rate of change in the concentration of CO2 is equal to the rate of change in the concentration of O2.
In contrast, during photosynthesis, plants and other autotrophs take in CO2 and release O2. The ratio of the rate of change in the concentration of CO2 to the rate of change in the concentration of O2 during photosynthesis depends on various factors such as the type of plant, the amount of light and nutrients available, and the surrounding temperature and humidity.
Therefore, the numerical ratio of the rate of change in the concentration of CO2 to the rate of change in the concentration of O2 varies depending on the specific context and conditions being considered.
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why do you think the production of wool in decreasing in india
Climate change has caused erratic rainfall patterns and rising temperatures in India, which have impacted the grazing habits of sheep and other animals that produce wool. The production and quality of wool have decreased as a result.
What volume of wool is produced in India?About 85% of the wool produced in the nation is carpet quality, 5% is garment grade, and the other 10% is coarser grade wool used to make blankets. Rajasthan, Jammu & Kashmir, Karnataka, Andhra Pradesh, Gujarat, Himachal Pradesh, and Haryana are major wool-producing and sheep-rearing States.
What place does India hold in terms of producing wool?India's wool and woolen textiles sector is tiny, dispersed, and typically unorganized Punjab, Haryana, Rajasthan, Uttar Pradesh, Maharashtra, and Gujarat are where it is primarily found. India produces over 2% of the wool produced worldwide, placing it in ninth place overall.
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what is the oxidation number of each oxygen atom in hooh?
Answer:(-1)
Explanation: Assuming HOOH has a neutral charge, hydrogen is always a +1 charge. In order to make it neutral each oxygen would have a charge of an oxidation number of -1
Correctly Identify Boyle's Law to explain the shower phenomenon where curtains are affected when using a shower
Boyle's Law states that at a constant temperature, the pressure of a gas is inversely proportional to its volume, which can explain why shower curtains are affected when using a shower due to the decrease in air pressure in the shower space.
What is the shower phenomenon, and why does it cause shower curtains to move inward when the water is turned on?The shower phenomenon refers to the movement of a shower curtain towards the shower when the water is turned on. This is caused by the decrease in air pressure in the shower space due to the flow of water from the showerhead. This decrease in pressure causes the higher atmospheric pressure outside of the shower to push the curtain inward.
How does Boyle's Law apply to the shower phenomenon, and what other real-world applications can it be used to explain?Boyle's Law can be used to explain the shower phenomenon by showing that the decrease in air pressure inside the shower space causes the curtain to move inward, as the pressure outside the shower remains constant. This law can also be used to explain other phenomena such as the behavior of gases in a scuba tank, the operation of a bicycle pump, and the changes in volume and pressure of the lungs during respiration.
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how to make absolute value in python?
The built-in method abs() in Python may be used to determine a number's absolute value. Here's an illustration: In this example, we initially gave the variable x the number -5. Then, wethe absolute value of
Regardless of whether a number is positive or negative, its distance from zero on the number line represents its absolute value. The built-in method abs() in Python may be used to determine a number's absolute value. This function returns the absolute value of a single input, which may be an integer, a floating-point number, or a complex number. A positive number's absolute value equals the number itself, but a negative number's absolute value is the polar opposite of the positive number. The absolute value is frequently employed in mathematical computations and programming applications to ensure that values are treated consistently regardless of their sign. The absolute value is
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what is sodium acetate formula?
The chemical formula for sodium acetate is NaC₂H₃O₂.
Sodium acetate is the sodium salt of acetic acid (also known as ethanoic acid), and it is commonly used in the food industry, as a buffer in chemical reactions, and as a component in heating pads. The formula indicates that the molecule contains one sodium (Na) ion, one acetate ion (C₂H₃O₂⁻), and a total of three oxygen atoms.
sodium acetate is a white crystalline powder that is soluble in water. It has a slightly salty and vinegar-like taste, and it is commonly used as a food seasoning, particularly in snack foods like chips and popcorn.
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What is the percentage of p character in the hybrid orbitals on the carbon atoms in this structure? 12% 25% 33% 50% 75% Not all the carbons have the same hybridization, so the percentage of p character varies
The hybridization are of different types like sp³, sp², sp, etc. The percentage of 's' and 'p' character in these hybrid orbitals will be different. The percentage of p character in the hybrid orbitals of methane and water is 75%. The correct option is A.
What is hybridization?The process in which the hybrid orbitals are produced by the linear combination of atomic orbitals of the same atom is defined as the hybridization. The orbitals undergoing hybridization have comparable energies.
Each sp³ hybrid orbital has 25% 's' character and 75% 'p' character. Here both methane and water have sp³ hybridization. The sp³ hybrid orbitals are oriented in a tetrahedral manner and the bond angle is 109°28¹.
Thus the correct option is A.
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Your question is incomplete, but most probably your full question was:
What is the percentage of p character in the hybrid orbitals on the carbon atoms in this structure of methane and water?
A. 75%
B. 25%
C. 50%
D. 33%
E. 12%
does ionic dissolve in water
Yes, ionic bonds dissolves in water.
As we know water is a polar solvent and it has two poles one negative and another positive. The two poles of water usually have strong forces of attraction towards other charged ions, due to this water breaks the ionic bond by hydrogen bond formation. Hence, ionic bonds dissolve in water.
But, not all ionic compounds are able to be soluble in water. We usually use the solubility rules to predict whether an ionic compound dissolves in water or not.
On the other hand, generally covalent compounds are insoluble in water. This is due to water being a highly polar solvent don't dissolves covalent compounds in water due to presence of hydrogen bonding.
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what is the molality of a solution containing 3.0 moles of nacl and 100.0 moles of water?
The molality of the solution containing 3.0 moles of NaCl and the 100.0 moles of the water is 1.7 m.
The number of the moles of the NaCl = 3 moles
The number of the moles of the water = 100 moles
The molar mass of the water = 18 g/mol
The mass of the water = moles × molar mass
The mass of the water = 100 × 18
The mass of the water = 1800 g
The mass of the water in Kg = 1.800 Kg
The molality is expressed as :
Molality = moles of the solute / mass of the solvent in Kg
Molality = 3 / 1.800
Molality = 1.7 m
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According to Dalton's Law of Partial Pressures, the pressure of oxygen in dry air would be
The pressure of the oxygen in the air is 0.21 atm. The partial pressure of a gas is the contribution that gas makes to the total pressure when the gas is part of a mixture.
Which response identifies a possible ψ for the last-filled electron in a magnesium ION?1. ψ3,3,02. ψ2,1,13. ψ2,0,−14. ψ2,0,05. ψ3,0,16. ψ3,1,1
The possible ψ for the last-filled electron in a magnesium ion is ψ 2,0,−1. Hence, the correct choice is C.
Generally, the electrons present in an atom are located in a system of atomic orbitals around the nucleus. The position of each electron is often controlled by a set of four quantum numbers. The electron configuration usually describes the distribution of all electrons present in the atom via shells and subshells. Shells are defined as the principal energy levels and subshells are the orbital types located at each shell, some of which may appear multiple times. Basically the electron configuration of a neutral atom is often derived from its element's position in the periodic table, which can then be modified to derive the electron configuration of a simple cation/anion.
The electronic configuration for magnesium ion is,
Mg²⁺ = 1s² 2s² 2p⁶
The last electron goes to "2p" subshell, which has the following quantum numbers,
n = 2, L = 0, m₁ = -1
Hence, the correct option is C.
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Karmina inflated a balloon at sea level, where the atmospheric pressure was 101. 3 kilopascals. The volume of the balloon was 2. 15 liters. She then carried the balloon with her to the top of a mountain, where the atmospheric pressure was 83. 1 kilopascals. If the temperature was constant and no air leaked out of the balloon, what was the balloon’s volume at the top of the mountain?.
The volume of the balloon at the top of the mountain can be calculated using Boyle's Law, which states that the pressure and volume of a gas are inversely proportional at a constant temperature.
The formula for Boyle's Law is P1V1 = P2V2, where P1 is the initial pressure, V1 is the initial volume, P2 is the final pressure, and V2 is the final volume.
We are given the initial pressure (P1) as 101.3 kilopascals, the initial volume (V1) as 2.15 litres, and the final pressure (P2) as 83.1 kilopascals. We need to find the final volume (V2).
Plugging the given values into the formula, we get:
101.3 kPa × 2.15 L = 83.1 kPa × V2
Rearranging the equation to solve for V2, we get:
V2 = (101.3 kPa × 2.15 L) / 83.1 kPa
V2 = 217.795 L / 83.1 kPa
V2 = 2.62 L
Therefore, the volume of the balloon at the top of the mountain is 2.62 litres.
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Match each titration term with its definition.A reagent added to the analyte solution that changes color when the reaction is complete __________a. titrant
b. endpoint
c. analyte
d. buret
e. titration
indicator
Titrant is a reagent added to the analyte solution during titration to react with the analyzed substance. The endpoint is when the titration is complete and the reaction has reached the desired stoichiometry. The analyte is the substance being analyzed in a titration. Buret is a laboratory instrument used to dispense precise volumes of liquid during titrations. The indicator is a substance added to the analyte solution that changes colour when the endpoint of the titration is reached.
What is titration?Titration is a laboratory technique used to determine the concentration of a substance in a solution by reacting it with a known amount of another substance of known concentration.
What is the use of titration?Titration is widely used in analytical chemistry to quantitatively analyse a wide range of substances, including acids, bases, salts, and oxidizing and reducing agents. It is a precise and reliable technique for determining the concentration of a substance in a solution.
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When aqueous solutions of _________ are mixed, a precipitate forms. Answer a. NiBr2 and AgNO3 b. NaI and KBr c. K2SO4 and CrCl3 d. KOH and Ba(NO3)2 e. All of the above solutions will form a precipitate.
Precipitate develops when NiBr2 and AgNO3 are combined in aqueous solutions.
A precipitate forms when aqueous solutions are combined, right?When cations and anions in an aqueous solution react to generate a precipitate, an insoluble ionic solid, precipitation processes take place. The solubility principles for typical ionic solids can be used to determine whether or not such a reaction takes place.
What kinds of aqueous solutions precipitate?Sulfide (S2), hydroxide (OH), carbonate (CO32), and phosphate (PO43) are examples of anions-containing compounds that are frequently insoluble in water. If one of these anions is added to a solution containing a metal cation like Fe2+, Cu2+, or Al3+, a precipitate will result.
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To cause cancer, proto-oncogenes require 1 (or) 2 allele(s) to be mutated and are therefore considered dominant (or) recessive.
To cause cancer, proto-oncogenes require 1 allele to be mutated and are therefore considered dominant.
What is cancer?Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. These contrast with benign tumors, which do not spread. Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements.While these symptoms may indicate cancer, they can also have other causes.Over 100 types of cancers affect humans.
Tobacco use is the cause of about 22% of cancer deaths. Another 10% are due to obesity, poor diet, lack of physical activity or excessive drinking of alcohol. Other factors include certain infections, exposure to ionizing radiation, and environmental pollutants.
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Mg+2Hcl->MgCl2+H2
How much hydrogen gas is produced from 50g of Mg and 75g Hcl? Give answer in grams
The amount of hydrogen gas that is produced from 50g of Mg and 75g Hcl is: 2.08 grams of hydrogen gas is produced from 50 grams of Mg and 75 grams of HCl.
How to find the hydrogen gas?To determine how much hydrogen gas is produced from 50g of Mg and 75g of HCl, we need to use the stoichiometry of the balanced chemical equation:
Mg + 2HCl → MgCl2 + H2
First, let's calculate the number of moles of Mg and HCl:
Number of moles of Mg = 50 g / 24.31 g/mol = 2.06 mol
Number of moles of HCl = 75 g / 36.46 g/mol = 2.06 mol
The mole ratio of Mg to H2 is 1:1, so the number of moles of H2 produced is also 2.06 mol.
Finally, we can use the molar mass of hydrogen (1.008 g/mol) to convert the moles of H2 to grams:
Mass of H2 produced = 2.06 mol × 1 mol/1 mol × 1.008 g/mol = 2.08 g
Therefore, 2.08 grams of hydrogen gas is produced from 50 grams of Mg and 75 grams of HCl.
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the following molecules have been dissolved in heptane. an aqueous solution of dilute hydrochloric acid is added to the heptane solution and shaken vigorously. the mixture is allowed to separate. what compound would you expect to be in the aqueous layer?
Answer:i think its the nucleas
Explanation:
im not totally sure
how to calculate atomic mass onlin?
You may find a periodic table with atomic masses listed online by searching for one, or you can use an online atomic mass calculator by inputting the element symbol and the number of protons and neutrons.
Using the periodic table and an online atomic mass calculator, calculating atomic mass is simple. Follow these procedures to determine an element's atomic mass: The phrase "ecosystem" refers to a group of people who work in the construction industry.
Determine the element's mass number for the isotope that is most prevalent in the periodic table.
Add the result to the mass number of any more isotopes of the element by multiplying the isotope's mass number by its natural abundance (as a decimal) (multiplied by their respective abundances).
The resultant figure represents the element's atomic mass.
Instead, you may enter the element symbol or name into an online atomic mass calculator, and the calculator will output the atomic mass value.
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how do we know interstellar amtter is hydrogen and helium
The interstellar matter is the hydrogen and the helium will gives the narrow absorption lines in the spectra of the some stars.
The interstellar matter is composed of the multiple phases that will distinguished by the whether matter is the ionic, atomic, or the molecular, and the temperature and the density of the matter. The interstellar medium is the composed the primarily, of the hydrogen atom , followed by the helium atom with the trace amounts of the carbon, the oxygen, and the nitrogen.
The matter will creates the narrow absorption of the lines in the spectra of the some of the stars.
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The diameter of a copper atom is approximately 2.28e-10 m. The mass of one mole of copper is 64 grams. Assume that the atoms are arranged in a simple cubic array. Remember to convert to S.I. units. What is the mass of one copper atom, in kg? How many copper atoms are there in a cubical block of copper that is 4.4 cm on each side? What is the mass of the cubical block of copper, in kg?
Answer:
The mass of one copper atom, in kg, is 1.09e-25 kg. There are 2.13e+20 copper atoms in a cubical block of copper that is 4.4 cm on each side. The mass of the cubical block of copper, in kg, is 1.43kg.