Find the number of atoms in a copper rod with a length of 8.85 cm and a radius of 1.00 cm. The density of copper is 8.96 g/cm3. (round to 3 sig figs)

Q: The number of atoms in 1 dm³ of aluminum (d = 2.70 g/cm³) is nearly the same as the number of atoms…

A: Density of a substance is given by the ratio of mass and volume of the substance. Write the…

Q: Copper(II) fluoride contains 37.42% F by mass. Use this percentage to calculate the mass of fluorine…

A: By the given mass percent it is clear that in 100g of CuF2 there are about 37.42 g of F by mass.

Q: in the star wars series, the death star is a spherical space station and weapon with a diameter of…

A: The diameter of death star is 99 miles. The diameter of solid iron sphere is 6.23 times larger than…

Q: 5.00 g of copper is reacted with 5.00 g of sulfur in a crucible and acompound composed of copper and…

A: The question is based on the concepts of reaction  Stoichiometry. we know the amount of product…

Q: 14. Geosmin is an organic compound that is partly responsible for the smell of soil. It has amolar…

A: Given, Amount of sample took for combustion is 6.82 grams.Amount of carbon dioxide produced is…

Q: Calculate the total number of N atoms in 23.8 g N2O5. O 2.65 x 1023 total N atoms O 9.31 x1023 total…

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Q: None

A: Step 1:We can calculate the moles and atoms of sugar using its molar mass. 9 grams × (1 mol of…

Q: lithium carbonate contains 18.8 lithium and is used in the treatment of mental illnesses such as…

A: The percent mass composition is also known as the mass percent also called as the percent by weight.…

Q: Lithium carbonate, Li2CO3, contains 18.8 % lithium and is used in the treatment of mental illnesses…

A: Given : mass percent of lithium in Li2CO3 = 18.8 %. And mass of Li2CO3 sample = 1.48 g

Q: In a series of experiments, a chemist prepared three differentcompounds that contain only iodine and…

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Q: Some brands of salami contain 0.090% sodium benzoate (NaC2H3O2) by mass as a preservative. If you…

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Q: 1. Calculate the mass of carbon in a 1-carat diamond that contains 7.56 × 1022 atoms of carbon.

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Q: 1. When 28.0grams of CO is analyzed, it is found to contain 12.0g of carbon and 16.0g of oxygen. How…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Find the number of hydrogen and oxygen atoms present in 15.0 g of pure hydrogen peroxide

A: we have to calculate  the number of hydrogen and oxygen atoms present in 15.0 g of pure hydrogen…

Q: How many atoms of lead are required to cover a 37.0 cm by 55.0 cm area with a sheet of lead that is…

A: The required volume to cover =  37.0 cm×55.0 cm×0.142 cm…

Q: Determine the number of atoms in 33.0 grams of calcium, Ca. (The mass of one mole of calcium is…

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Also, Number of atoms…

Q: White sand is made of silica (silicon dioxide, or SiO2), which has a density of 2.20 g/cm³. How many…

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Q: Compound 1 has a composition of 23 mass % of element A and 77 mass % of element B. A and B also form…

A: Law of multiple proportion:  As per the law of multiple proportion, if 2 elements form more than one…

Q: 1 mole of 63Cu atoms has a mass of about 63 grams. Explain why the number below Cu on the periodic…

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Q: The molecule TFM is used as a lampricide to control the sea lamprey population in the Great Lakes.…

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Q: Assume magnesium has three major isotopes in nature as shown in the table below. Fill in the missing…

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Q: [The volume of a sphere is (4/3)πr3 and the density of copper is 8.96 g/cm3.] A pure copper sphere…

A: Number of atoms in a mole of any substance is equal to Avogadro's number.

Q: A 3.87g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 5.30x1022 N2O…

A: a) 1 molecule of N2O contains 2 nitrogen atoms, Hence, 5.30 ×1022 N N2O molecules will contain…

Q: White sand is made of silica (silicon dioxide, or SiO2), which has a density of 2.20 g/cm3. How many…

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Q: 8. How many silver atoms are in a single silver nanoprism with the shape of an equilateral triangle,…

A: edge length(a) of nano prism = 40 nm = 4010-7 cm (1 nm = 10-7 cm)= 410(1-7) cm = 410-6 cmthickness…

Q: You have 2.50 g of each of the following elements: Ca, Cu, Cs, C, and Cr. Which sample contains the…

A: We have to select the sample with largest number of atoms

Q: Element Kittypurrium (named after one of TA's cats) has two isotopes: Isotope 1 has an atomic…

A: Percent of isotop 1 = 91.162%   Atomic weight of isotop 1 = 40.005 g/mol  Percent of isotop 2 =…

Q: Determine the mass (in grams) of aluminum present in 1.07 grams of Al2S3? Do not type units into…

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Q: A sample of manganes reacts completely with oxygen in a specialized crucible. The reaction is given…

A: Given reaction: To find: The charge on manganese. Balanced chemical equation.

Q: White sand is made of silica (silicon dioxide, or SiO2), which has a density of 2.20 g/cm3. How many…

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Q: A 0.933 g sample of Nickle metal is heated in the presence of nitrogne gas forming 1.081 grams of a…

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Q: Calculate the mass, in kg, of sample.  7.55x10^26 cadmium atoms

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Q: One atomic mass unit has a mass of 1.6605402 × 10-24 g. a)Calculate the mass, in grams, of one…

A: The mean atomic mass of magnesium stands at 24.305 atomic mass units (amu). An atomic mass…

Q: 9. Using the interactive, create a stable Li ion, that has a +1 charge. Fill in the blanks: Symbol…

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Q: A modern penny weighs 2.5 g but is only 2.52% copper by mass. Calculate the number of cooper atoms…

A: given values :  mass of penny = 2.5 g mass % of copper = 2.52% formula of mass % : mass % = mass of…

Q: In an experiment, the reaction of 100.0 g of iodine produced 144.9 g of a compound formed from…

A: The mass of iodine is = 100.0 g The mass of the compound of iodine and fluorine is = 144.9 g The…

Q: 14. Copper has two isotopes, Cu-63 and Cu-65. The average atomic mass of copper is 64.928 g/mol.…

A: Average atomic mass = 64.928 g/mol  % abundance = ?

Q: Ya) If 2.54 g of ZnS contains 1.70 g of Zn, what is the mass ratio of zinc to zinc sulfide? (b) How…

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Q: A pure copper sphere has a radius 0.925 in Part A How many copper atoms does it contain? [The volume…

A: we have to calculate the number of Cu atoms

Q: Calculate the number of molecules present in 27.2 g of Al(NO3)3. Use the following as average atomic…

A: We have to calculate the number of molecules present.

Q: 9. How many hydrogen atoms are there in 500.0 L of water? (dH.0 = 1.00 g mL) %3D A: 3.34 x 1025 28

A: Given, the volume of water V =500.0 L =500000 mLdensity of water d =1.00 g .mL-1we are asked to…