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April 18, 2014

Homework Help: Chemistry

Posted by Dylan on Wednesday, September 23, 2009 at 8:18pm.

I have a few problems im having trouble with, any help..?
1.
If a peice of aluminum with mass 3.90g and a temperature of 99.3C is dropped into 10.0cm^3 of water at 22.6C, what will be the final temperature of the system?

2.
If a peice of cadmium with a mass 65.6g and a temp. of 100.0C is dropped into 25.0 cm^3 of water at 23.0C, what will be the final temp.

3.a piece of unknown metal with mass 23.8g is heated to 100.0C and dropped into 50.0cm^3 of water at 24.0.The final temp is 32.5C. What is the specific heat.

Help, these are soo confusing!!

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