Consider the following reactions:AH = -393.5 kJ(graphite)+ 2AH = -285.8 kJ2(g)CH,OH+ 3/2 0,+2H,0AH = -726.4 k(1)Choose...Choose...-48.25Calculate the enthalpy change for the following reaction:188.7+ 2 H29)CH,OH-37.6C(graphite)+ V½ 0,10.7-238.739.026811.85Given the following information:N, bond energy = 941 kJ/mol, F, bond energy = 154 kJ/mol2 N+ 3/2 FAH = -103 kJ/mol2(g)Choose...Calculate the N-F bond energy (kJ/mol)A ballon originally had a volume of 8.68 L at 258 K and a pressure of 575 mmHg.To what temperature (in K) must the balloon be cooled to reduce its volume to5.00 L at a pressure of 730 mmHg?Choose... V

“Since you have asked multiple question, we will solve the first question for you. If you want any…

Consider the following reactions: AH = -393.5 kJ (graphite) 2(g) AH = -285.8 kJ CH,OH + 3/2 0, CO(9) + 2H,0 AH = -726.4 k (1) Choose... Choose... -48.25 Calculate the enthalpy change for the following reaction: 188.7 C (graphite) + 2 Hz9) + V½ 0, CH,OH -37.6 2(g) 10.7 -238.7 39.0 268

Consider the following reactions: AH = -393.5 kJ (graphite) 2(g) AH = -285.8 kJ CH,OH + 3/2 0, CO(9) + 2H,0 AH = -726.4 k (1) Choose... Choose... -48.25 Calculate the enthalpy change for the following reaction: 188.7 C (graphite) + 2 Hz9) + V½ 0, CH,OH -37.6 2(g) 10.7 -238.7 39.0 268

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

Consider the following reactions:
AH = -393.5 kJ
(graphite)
+ 2
AH = -285.8 kJ
2(g)
CH,OH
+ 3/2 0,
+2H,0
AH = -726.4 k
(1)
Choose...
Choose...
-48.25
Calculate the enthalpy change for the following reaction:
188.7
+ 2 H29)
CH,OH
-37.6
C
(graphite)
+ V½ 0,
10.7
-238.7
39.0
268
11.85
Given the following information:
N, bond energy = 941 kJ/mol, F, bond energy = 154 kJ/mol
2 N
+ 3/2 F
AH = -103 kJ/mol
2(g)
Choose...
Calculate the N-F bond energy (kJ/mol)
A ballon originally had a volume of 8.68 L at 258 K and a pressure of 575 mmHg.
To what temperature (in K) must the balloon be cooled to reduce its volume to
5.00 L at a pressure of 730 mmHg?
Choose... V

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4. Hess's Law Calculate AH for the reaction: 2 C(s) + H2(g) → C:H2(g), given the following chemical equations and their respective enthalpy changes: C2H2(g)+02(g)→2CO2(g)+H20(1) AH, = -1299.6 kJ (1) %3D C(s)+02(g)→CO2(g) AH, = -393.5 kJ (2) H2(g)+502(g)→H20(1) AH3 = -285.8 kJ (3)
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