_10. Which of the following follows the correct writing of thermochemical equations? A. 2H90 → 2Hg + O2 AH = 182kJj B. 2H90(s) → 2Hg (1) + O2 (g) AH = 182KJ C. Hgo → Hg + O2 D. 2H90(s) → 2Hg + O2 (g) _11. Which of the following matches the given description? 1mol of CSH12(1) reacts with 8mol of Oz(a) _to produce 5mol of CO2(a), 6mol of H;0/1) and releasing 3,523KJ is referred to as one mole of reaction. A. CSH12 + O2 → CO2+ H20 AH = 3,523kJ B. CSH12 (1)+8O2 (g) →5CO2(g)+ 6H20(1) AH = 3,523kJ C. CSH12 + O2+ CO2. H20 AH = 182kJ AH = 182KJ AH = - 3,523KJ D. CSH12 (1)+802(g) →5CO2(g) +6H20(1) AH = -3,523kJ
_10. Which of the following follows the correct writing of thermochemical equations? A. 2H90 → 2Hg + O2 AH = 182kJj B. 2H90(s) → 2Hg (1) + O2 (g) AH = 182KJ C. Hgo → Hg + O2 D. 2H90(s) → 2Hg + O2 (g) _11. Which of the following matches the given description? 1mol of CSH12(1) reacts with 8mol of Oz(a) _to produce 5mol of CO2(a), 6mol of H;0/1) and releasing 3,523KJ is referred to as one mole of reaction. A. CSH12 + O2 → CO2+ H20 AH = 3,523kJ B. CSH12 (1)+8O2 (g) →5CO2(g)+ 6H20(1) AH = 3,523kJ C. CSH12 + O2+ CO2. H20 AH = 182kJ AH = 182KJ AH = - 3,523KJ D. CSH12 (1)+802(g) →5CO2(g) +6H20(1) AH = -3,523kJ
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
Chapter6: Thermochemistry
Section: Chapter Questions
Problem 64E: A 110.-g sample of copper (specific heat capacity = 0.20 J/C g) is heated to 82.4C and then placed...
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Answer question numbers 10, 11 and 12
Transcribed Image Text:_10. Which of the following follows the correct writing of thermochemical
equations?
A. 2H90 → 2Hg + O2 AH = 182kJj
B. 2H90(s) → 2Hg (1) + O2 (g) AH = 182kJ
C. Hgo → Hg + O2
D. 2H90(s) → 2Hg + O2 (g)
_11. Which of the following matches the given description?
1mol of CSH12(1) reacts with 8mol of Oz(a) to produce 5mol of CO2(a), 6mol of H20(1)
and releasing 3.523kJ is referred to as one mole of reaction.
A. CSH12 + O2→ CO2+ H20 AH = 3,523kJ
B. CSH12 (1)+802 (g) →5CO2(g). 6H20(1) AH = 3,523KJ
C. CSH12 + O2» CO2. H20
AH = 182kJ
AH = 182kJ
AH = - 3,523KJ
D. CSH12 (1)+802(g) →5CO2(g) +6H20(1) AH = -3,523kJ
_12. Which of the following substances has the greatest entropy per mole?
A. O2(g)
B. N2(g)
C. CO(g)
D. CAH10(g)
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