In questions 5 and 6, assume 1.00 mol of any gas occupies 22.40 L at standard temperature and pressure (STP). 5. What volume of hydrogen gas is obtained when 9.62 g of chromium metal reacts with an excess of dilute sulfuric acid at STP? 2 Crs) + 3 H2 SO4 (aq) Cr2 (SO4)3 (aq) + 3 H2 (g) 6. What volume of oxygen, at STP, is required to burn exactly 1.58 L of methane (CH4 (9), according to the reaction below? CH4 (g) + 202 (g) CO2 (9) + 2H2O (9)

In questions 5 and 6, assume 1.00 mol of any gas occupies 22.40 L at standard temperature and pressure (STP). 5. What volume of hydrogen gas is obtained when 9.62 g of chromium metal reacts with an excess of dilute sulfuric acid at STP? 2 Crs) + 3 H2 SO4 (aq) Cr2 (SO4)3 (aq) + 3 H2 (g) 6. What volume of oxygen, at STP, is required to burn exactly 1.58 L of methane (CH4 (9), according to the reaction below? CH4 (g) + 202 (g) CO2 (9) + 2H2O (9)

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter5: Gases

Section: Chapter Questions

Problem 5.106PAE

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