• Support PF! Buy your school textbooks, materials and every day products Here!

Mass using Q=m*C*delta T

  • Thread starter Knfoster
  • Start date
  • #1
45
0

Homework Statement


An aluminum cup contains 217g of water at 21.2oC. A 404g sample of silver at an initial temperature of 80.8oC is placed in the water. A 41.0g copper stirrer is used to stir the mixture until it reaches its final equilibrium temperature of 25.7oC. Calculate the mass of the aluminum cup.



Homework Equations


Q=mCdeltaT
heat lost=heat gained


The Attempt at a Solution


Could someone please help me set the problem up w/o numbers. Thanks.
 

Answers and Replies

  • #2
Redbelly98
Staff Emeritus
Science Advisor
Homework Helper
Insights Author
12,098
129
You have the right equations to work with, maybe listing a few facts will help get you going:

Every object will end up at the final temperature of 25.7C.

Each object either loses heat, or gains heat. That tells you on which side of the heat lost=heat gained equation each object belongs.

Presumably the copper stirrer also starts out at 21.2C.
 

Related Threads for: Mass using Q=m*C*delta T

Replies
4
Views
12K
Replies
6
Views
417
Replies
12
Views
305
Replies
13
Views
1K
  • Last Post
Replies
2
Views
1K
Replies
2
Views
3K
Replies
1
Views
5K
Replies
3
Views
856
Top