x\'( chapter 10-Microbiology for x TE Masteringchemistry xY Periodic Table of th

Question

x'( chapter 10-Microbiology for x TE Masteringchemistry xY Periodic Table of the Elements x MasteringChemistry: Chapter 6, Assignment 2 Secure https://session.masteringchemistry.com/myct/itemView?assignmentProblemID-95613642 Chapter 6, Assignment 2 Moles of Reactants and Products 1 of 8> Part A Under certain circumstances, carbon dioxide CO. (g), can be made to react with hydrogen gas H2 (g), to produce methane, CH4 (g), and water vapor, H20(8) How many moles of methane are produced when 36.6 moles of carbon dioxide gas react with excess hydrogen gas? Express your answer with the appropriate units. For example, write the unit moles as mol. CO2 (g) + 4H2(g)CH4(g) + 2H20(g) View Available Hint's Value Units Submit Part B How many moles of hydrogen gas would be needed to react with excess carbon dioxide to produce 65.1 moles of water vapor? Express your answer with the appropriate units. For example, write the unit moles as nol. View Available Hint(s) Value Units 12 MacBook Air

Explanation / Answer

Part A

Answer

36.6moles

Explanation

CO2(g) + 4H2(g) - - - - - > CH4(g) + 2H2O(g)

stoichiometrically,1mole of CO2 give 1mole of CH4

Therefore,

36.6 moles of CO2 will produce 36.6 moles of methane, if hydrogen is excess.

Part B

Answer

130.2moles

Explanation

stoichiometrically, 2 moles of water is produced from 4moles of H2

Therefore,

No of moles of H2 needed to produce 65.1moles of H2O = 65.1 × 2 = 130.2moles

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