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Chemistry
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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7. Under appropriate conditions, nitrogen and hydrogen undergo a synthesis reaction to yield ammonia: N2 (g) + 3 H2 (g) 2 NH3 (g) Which of the following initial conditions could theoretically produce 4 mol of ammonia? Initial moles N2 Initial moles H2 a. 6 mol 4 mol b. 4 mol 2 mol С. 2 mol 6 mol d. 5 mol 3 mol 8. Consider the following reaction: 4 Cr + 3 02 → 2 Cr,03 Which of the following statements correctly explains why chromium will be the limiting reactant if equal moles of both reactants are combined in the synthesis reaction above. a. Chromium has a greater molar mass than oxygen b. The reaction of one mole of chromium requires ¾ mole of O2 c. Oxygen is a diatomic element. d. The reaction of one mole of chromium will produce 2 mole of Cr,03 9. Which of the following will not dissolve in hexane, C,H14? а. Br, b. I2 С. HCI d. C3H18
Transcribed Image Text:7. Under appropriate conditions, nitrogen and hydrogen undergo a synthesis reaction to yield ammonia: N2 (g) + 3 H2 (g) 2 NH3 (g) Which of the following initial conditions could theoretically produce 4 mol of ammonia? Initial moles N2 Initial moles H2 a. 6 mol 4 mol b. 4 mol 2 mol С. 2 mol 6 mol d. 5 mol 3 mol 8. Consider the following reaction: 4 Cr + 3 02 → 2 Cr,03 Which of the following statements correctly explains why chromium will be the limiting reactant if equal moles of both reactants are combined in the synthesis reaction above. a. Chromium has a greater molar mass than oxygen b. The reaction of one mole of chromium requires ¾ mole of O2 c. Oxygen is a diatomic element. d. The reaction of one mole of chromium will produce 2 mole of Cr,03 9. Which of the following will not dissolve in hexane, C,H14? а. Br, b. I2 С. HCI d. C3H18
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