An 49.84 g sample of aluminum is placed on a 43.49 g sample of copper initially at 85.24°C. If the heat is only transferred between the metals (with no loss to the surroundings) and the final temperature of both metals is 35.46°C, what is the inital temperature (in °C) of aluminum?

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter12: Thermodynamic Processes And Thermochemistry
Section: Chapter Questions
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Please help with both questions. Thank you
What is the change in enthalpy (in kJ) under standard conditions when 8.676 g of ethane is combusted?
Answer:
Check
An 49.84 g sample of aluminum is placed on a 43.49 g sample of copper initially at 85.24°C. If the heat is only transferred between the
metals (with no loss to the surroundings) and the final temperature of both metals is 35.46°C, what is the inital temperature (in °C) of
aluminum?
Answer:
Check
Transcribed Image Text:Please help with both questions. Thank you What is the change in enthalpy (in kJ) under standard conditions when 8.676 g of ethane is combusted? Answer: Check An 49.84 g sample of aluminum is placed on a 43.49 g sample of copper initially at 85.24°C. If the heat is only transferred between the metals (with no loss to the surroundings) and the final temperature of both metals is 35.46°C, what is the inital temperature (in °C) of aluminum? Answer: Check
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