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A system does 435 kJ of work(w) and loses 312 kJ of heat(q) to the surroundings. What is the change in internal energy of the system? O a -747kJ O b. 465kJ Oc 740kJ. Od. -465kJ

A system does 435 kJ of work(w) and loses 312 kJ of heat(q) to the surroundings. What is the change in internal energy of the system? O a -747kJ O b. 465kJ Oc 740kJ. Od. -465kJ

Chemistry
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
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A system does 435 kJ of work(w) and loses 312 kJ of heat(q) to the surroundings. What is the change in internal energy of the system? O a -747kJ O b. 465kJ O c. 740kJ. O d.-465KJ
Transcribed Image Text:A system does 435 kJ of work(w) and loses 312 kJ of heat(q) to the surroundings. What is the change in internal energy of the system? O a -747kJ O b. 465kJ O c. 740kJ. O d.-465KJ
Find the standard molar enthalpy for the reaction C(9) + ½ O(g) –→ CO(g) AH° = -394 kJ C6) + O2g) → CO2«g) CO28) Given that and → COg) + ½ O2(2) AH°=+283 kJ O a -125 kJ Ob +110 kJ Oc -111 kJ O d. +120 kJ
Transcribed Image Text:Find the standard molar enthalpy for the reaction C(9) + ½ O(g) –→ CO(g) AH° = -394 kJ C6) + O2g) → CO2«g) CO28) Given that and → COg) + ½ O2(2) AH°=+283 kJ O a -125 kJ Ob +110 kJ Oc -111 kJ O d. +120 kJ
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