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4. How much work is done by or on the system (state which), in kcal, in a reaction if the internal energy decreases by 5.75 kJ and the heat absorbed by the system could be used to raise 185 g of water from 20.0°C to 65.0°C? (1 calorie = 4.18 J) - 186 0

4. How much work is done by or on the system (state which), in kcal, in a reaction if the internal energy decreases by 5.75 kJ and the heat absorbed by the system could be used to raise 185 g of water from 20.0°C to 65.0°C? (1 calorie = 4.18 J) - 186 0

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 9.18PAE: 9.18 Calculate (a) q when a system does 54J of work and its energy decreases by 72 J and (b) E for a...
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4. How much work is done by or on the system (state which), in kcal, in a reaction if the internal energy decreases by 5.75 kJ and the heat absorbed by the system could be used to raise 185 g of water from 20.0°C to 65.0°C? (1 calorie = 4.18 J) - 186 o
Transcribed Image Text:4. How much work is done by or on the system (state which), in kcal, in a reaction if the internal energy decreases by 5.75 kJ and the heat absorbed by the system could be used to raise 185 g of water from 20.0°C to 65.0°C? (1 calorie = 4.18 J) - 186 o
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