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Which of the following will always result in AU > 0? O work done on the system, heat released by the system O work done on the system, heat absorbed by the system O work done by the system, heat absorbed by the system O work done by the system, heat released by the system

Which of the following will always result in AU > 0? O work done on the system, heat released by the system O work done on the system, heat absorbed by the system O work done by the system, heat absorbed by the system O work done by the system, heat released by the system

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.101PAE
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Which of the following will always result in AU > 0? O work done on the system, heat released by the system O work done on the system, heat absorbed by the system work done by the system, heat absorbed by the system O work done by the system, heat released by the system Carbon monoxide is produced industrially from the reaction shown below. If producing Co requires 206.11 kJ of heat per mole CH, how many kJ of heat is required to produce 1000 kg of H2? CHA9) + H20(g) → CO(0) + 3 H2(9) O 3.42 x 107 kJ O 1.02 x 105 kJ O 3.42 x 104 kJ O 1.02 x 10 kJ Which of the following is marked by an increase in internal energy (+AU) and involves expansion if done in an open atmosphere (constant pressure conditions)? O Formation reaction of liquid benzene (C,H6); AH" of CgH, = +49.26 kJ/mol O Combustion of hydrogen O Decomposition of solid MgCO3 into solid MgO and CO2 gas O Condensation of water vapor in cold mornings
Transcribed Image Text:Which of the following will always result in AU > 0? O work done on the system, heat released by the system O work done on the system, heat absorbed by the system work done by the system, heat absorbed by the system O work done by the system, heat released by the system Carbon monoxide is produced industrially from the reaction shown below. If producing Co requires 206.11 kJ of heat per mole CH, how many kJ of heat is required to produce 1000 kg of H2? CHA9) + H20(g) → CO(0) + 3 H2(9) O 3.42 x 107 kJ O 1.02 x 105 kJ O 3.42 x 104 kJ O 1.02 x 10 kJ Which of the following is marked by an increase in internal energy (+AU) and involves expansion if done in an open atmosphere (constant pressure conditions)? O Formation reaction of liquid benzene (C,H6); AH" of CgH, = +49.26 kJ/mol O Combustion of hydrogen O Decomposition of solid MgCO3 into solid MgO and CO2 gas O Condensation of water vapor in cold mornings
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