**Chemistry Problems**6. Zinc (Zn) has a molar mass of 65.4 g/mol. Calculate the number of atoms in 0.2 g of Zn using Avogadro’s number.7. Consider the combustion reaction of methane, CH₄. If 2.1 moles of methane are allowed to react with 4.0 moles of oxygen, identify the limiting reagent.8. Ethane (C₂H₆) reacts with oxygen (O₂) to produce carbon dioxide (CO₂) and water (H₂O). If 5 moles of ethane are reacted with 16 moles of oxygen, determine the number of moles of CO₂ produced.

Moles = Given mass/molar mass1 mole = NA particles = 6.022 × 1023 atomsSo, Given that Given mass =…

6. Zn is 65.4g /mol, what is number of atoms for 0.2g of Zn using the Avogadro's number. 7. Consider the combustion reaction of methane, CH4 . If 2.1 mol of methane is allowed to react with 4.0 mol of oxygen, which is the limiting reagent ? 8. Ethane, C₂H, react with O₂ to give CO₂ and H₂O. If 5 mols of Ethane is placed with 16 mols of O2, how many mols of CO₂ will be produced.

6. Zn is 65.4g /mol, what is number of atoms for 0.2g of Zn using the Avogadro's number. 7. Consider the combustion reaction of methane, CH4 . If 2.1 mol of methane is allowed to react with 4.0 mol of oxygen, which is the limiting reagent ? 8. Ethane, C₂H, react with O₂ to give CO₂ and H₂O. If 5 mols of Ethane is placed with 16 mols of O2, how many mols of CO₂ will be produced.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

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**Chemistry Problems**

6. Zinc (Zn) has a molar mass of 65.4 g/mol. Calculate the number of atoms in 0.2 g of Zn using Avogadro’s number.

7. Consider the combustion reaction of methane, CH₄. If 2.1 moles of methane are allowed to react with 4.0 moles of oxygen, identify the limiting reagent.

8. Ethane (C₂H₆) reacts with oxygen (O₂) to produce carbon dioxide (CO₂) and water (H₂O). If 5 moles of ethane are reacted with 16 moles of oxygen, determine the number of moles of CO₂ produced.

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