3. Which of the following reactions is/are exothermic? Choose ALL that apply. a. H,(g) + Cl,(g) → 2HCI(g) + 185 kJ b. C(s) + O,(g) → CO,(g) c. 30,(g) + 286 kJ → 203(g) d. N,(g) + 20,(g) → 2NO,(g) AH,° = +33.2 kJ e. 238U → He + 234Th + heat f. H,0(s) + heat → H,0(1) AH° = - 394 kJ
3. Which of the following reactions is/are exothermic? Choose ALL that apply. a. H,(g) + Cl,(g) → 2HCI(g) + 185 kJ b. C(s) + O,(g) → CO,(g) c. 30,(g) + 286 kJ → 203(g) d. N,(g) + 20,(g) → 2NO,(g) AH,° = +33.2 kJ e. 238U → He + 234Th + heat f. H,0(s) + heat → H,0(1) AH° = - 394 kJ
Chemistry
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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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![3. Which of the following reactions is/are exothermic? Choose ALL that apply.
a. H,(g) + Cl,(g) → 2HCI(g) + 185 kJ
b. C(s) + O2(g) → CO,(g) AHº = - 394 kJ
c. 30,(g) + 286 kJ → 203(g)
d. N,(g) + 20,(g) → 2NO,(g) AH,° = +33.2 kJ
e. 238U
f. H,O(s) + heat →
4He + 234TH + heat
H,O(1)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1b749dfc-3293-4180-8ff1-3ae116b5321a%2F257ea03a-8d5a-45c1-acac-982d1188e272%2F3wcygu_processed.png&w=3840&q=75)
Transcribed Image Text:3. Which of the following reactions is/are exothermic? Choose ALL that apply.
a. H,(g) + Cl,(g) → 2HCI(g) + 185 kJ
b. C(s) + O2(g) → CO,(g) AHº = - 394 kJ
c. 30,(g) + 286 kJ → 203(g)
d. N,(g) + 20,(g) → 2NO,(g) AH,° = +33.2 kJ
e. 238U
f. H,O(s) + heat →
4He + 234TH + heat
H,O(1)
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