12.1 homework answers

Copyright © Pearson Education, Inc. , or its affiliates Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

2 moles of magnesium metal combine with one mole of oxygen gas to form 2 moles of solid magnesium oxide It’s ionic! 2 atoms of magnesium metal combine with one molecule of oxygen gas to form 2 formula units of solid magnesium oxide 2 moles of hydrogen gas combine with 1 mole of oxygen gas to form 2 moles of water vapor. 2 molecules of hydrogen gas combine with one molecule of oxygen gas to form 2 molecules of water vapor. Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

4 moles of nitroglycerin decomposes into 10 moles of water vapor, 12 moles of carbon dioxide gas, 6 moles of nitrogen gas and 1mole of oxygen gas. 908.35 g of nitroglycerin decomposes into 180.15 g of water vapor, 528.12 g of carbon dioxide gas, 168.08 g of nitrogen gas and 32.0 g of oxygen gas One mole of solid calcium carbonate decomposes into 1 mole of solid calcium oxide and 1 mole of carbon dioxide gas 40.08g + 12.0111g + 3(15.9994 g)]  (40.08 g + 15.9994 g) + (12.0111 g + 2(15.9994 g) = 100.9 g  100.9 g Reactant Product Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.