7 L 8 L 9 L 110 10 11 12 Determine the quantity of molecules of Cr,O, that form when 1.34 x 10° g of oxygen completely reacts according to the following equation: 4 Cr(s) + 30 (g) 2 Cr,O,(s) = According to the balanced reaction below, calculate the quantity of moles of NH, gas that form when 4.20 mol of NH, liquid completely reacts: 3 N,H (1) 4 NH (g) + N,(g) Ethanol (CHO) is combusted in air according to the following reaction: CHO(l) + O (9) → CO (9) + H_O) How many moles of water would be produced by the complete combustion of 77.4 grams, of ethanol in the presence of excess oxygen? L What is the mass in grams of NO that will be produced from 38.9 g of NO₂ reacted with excess water in the following chemical reaction? 3 NO(g) +H,O(1) 2 HNO(g) + NO(g) L How many molecules of SO, can be formed from 0.25 moles of O2 (assuming excess SO₂) from the following UNBALANCED equation? SO(g) + O(g) SO(g) L Phthalonitrile (CHN) is produced by the ammoxidation of o-xylene (CH) according to the following reaction: CH() + O(g) +NH,(9) CH,N,(s) + H2O(l) How many grams of water would be produced by the complete ammoxidation of 18.00 moles of o-xylene?

7 L 8 L 9 L 110 10 11 12 Determine the quantity of molecules of Cr,O, that form when 1.34 x 10° g of oxygen completely reacts according to the following equation: 4 Cr(s) + 30 (g) 2 Cr,O,(s) = According to the balanced reaction below, calculate the quantity of moles of NH, gas that form when 4.20 mol of NH, liquid completely reacts: 3 N,H (1) 4 NH (g) + N,(g) Ethanol (CHO) is combusted in air according to the following reaction: CHO(l) + O (9) → CO (9) + H_O) How many moles of water would be produced by the complete combustion of 77.4 grams, of ethanol in the presence of excess oxygen? L What is the mass in grams of NO that will be produced from 38.9 g of NO₂ reacted with excess water in the following chemical reaction? 3 NO(g) +H,O(1) 2 HNO(g) + NO(g) L How many molecules of SO, can be formed from 0.25 moles of O2 (assuming excess SO₂) from the following UNBALANCED equation? SO(g) + O(g) SO(g) L Phthalonitrile (CHN) is produced by the ammoxidation of o-xylene (CH) according to the following reaction: CH() + O(g) +NH,(9) CH,N,(s) + H2O(l) How many grams of water would be produced by the complete ammoxidation of 18.00 moles of o-xylene?

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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