1) For which one of the following reactions is AH° predicted to be positive? a. CaCO3(s) →→→ CaO(s)+CO2(g) b. CO₂(g) → CO₂ (s) c. N₂(g) + 3H₂(g) →→→ 2NH3(g) d. HCl(aq) + NaOH(aq) → NaCl(aq) + H₂O(1)

1) For which one of the following reactions is AH° predicted to be positive? a. CaCO3(s) →→→ CaO(s)+CO2(g) b. CO₂(g) → CO₂ (s) c. N₂(g) + 3H₂(g) →→→ 2NH3(g) d. HCl(aq) + NaOH(aq) → NaCl(aq) + H₂O(1)

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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Question

For which one of the following reactions is AH° predicted to be positive?
a. CaCO3(s) →→→ CaO(s) + CO2(g)
b. CO₂(g) → CO₂ (s)
c. N₂(g) + 3H₂(g)
2NH3(g)
d. HCl(aq) + NaOH(aq) → NaCl(aq) + H₂O(l)
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