I found the answer to the first two. And the first two will eventually help you with the rest.
attached in this form is a file showing the integration for part b.
Part A
Q_water+Qaluminum=0
m_waterC_water(T_f-T_water)+m_aluminumC_aluminum(T_f-T_aluminum)=0
using distribution from algebra and...
Homework Statement
A 2.3kg aluminum pan at 135° is plunged into 3.0kg of water at 15°. The specific heat of aluminum is 900 J/(kg K).
Part A
Find the final Celsius temperature of the aluminum and water.
T_f = °Celsius
Part B
Find the entropy change of the aluminum pan...