6. Which of the following reactions is endothermic?a. H2(g) + 1/2 O2(g) → H2O(g) H = –243 kJ/molb. 1/2 N2(g) + 1/2 O2(g) + 90.7 kJ → NO(g)c. CO(g) + 111 kJ→ C(s) + 1/2 O2(g)d. 1/2 H2(g) + 1/2 I2(g) → HI(g) H = +26 kJ/mole. H2O(g) →H2(g) + 1/2 O2(g) – H = –243 kJ/mol
6. Which of the following reactions is endothermic?a. H2(g) + 1/2 O2(g) → H2O(g) H = –243 kJ/molb. 1/2 N2(g) + 1/2 O2(g) + 90.7 kJ → NO(g)c. CO(g) + 111 kJ→ C(s) + 1/2 O2(g)d. 1/2 H2(g) + 1/2 I2(g) → HI(g) H = +26 kJ/mole. H2O(g) →H2(g) + 1/2 O2(g) – H = –243 kJ/mol
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...
Related questions
Question
6. Which of the following reactions is endothermic?
a. H2(g) + 1
/2 O2(g) → H2O(g) H = –243 kJ/mol
b. 1
/2 N2(g) + 1
/2 O2(g) + 90.7 kJ → NO(g)
c. CO(g) + 111 kJ→ C(s) + 1
/2 O2(g)
d. 1
/2 H2(g) + 1
/2 I2(g) → HI(g) H = +26 kJ/mol
e. H2O(g) →H2(g) + 1
/2 O2(g) – H = –243 kJ/mol
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