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Calculate the change in internal energy (in k]) of gaseous products: heat released by combustion is 2.5 kJ and work done by gaseous products is 800 J. Note: Include proper sign for change in internal energy.

Calculate the change in internal energy (in k]) of gaseous products: heat released by combustion is 2.5 kJ and work done by gaseous products is 800 J. Note: Include proper sign for change in internal energy.

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter11: States Of Matter; Liquids And Solids
Section: Chapter Questions
Problem 11.47QP: A quantity of ice at 0C is added to 64.3 g of water in a glass at 55C. After the ice melted, the...
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Question 7 Calculate the change in internal energy (in kJ) of gaseous products: heat released by combustion is 2.5 kJ and work done by gaseous products is 800 J. Note: Include proper sign for change in internal energy.
Transcribed Image Text:Question 7 Calculate the change in internal energy (in kJ) of gaseous products: heat released by combustion is 2.5 kJ and work done by gaseous products is 800 J. Note: Include proper sign for change in internal energy.
Question 6 Calculate the equilibrium temperature (in °C) of 100 g molten solid at 200 °C which was poured into a 200 g casting form (cf) initially at 30 °C. Assume no energy lost to the environment. Cp.s = 0.1 J/g-OC (same in all phases), AHfus.s = 21.5 J/g, melting point of solid = 195 °C, Cp.cf = 0.5 J/g-°C.
Transcribed Image Text:Question 6 Calculate the equilibrium temperature (in °C) of 100 g molten solid at 200 °C which was poured into a 200 g casting form (cf) initially at 30 °C. Assume no energy lost to the environment. Cp.s = 0.1 J/g-OC (same in all phases), AHfus.s = 21.5 J/g, melting point of solid = 195 °C, Cp.cf = 0.5 J/g-°C.
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