can anyone plz help me w/ any of these. im not looking for fast, easy answers, i want to see how to solve, so i can apply the same procedure to any similar questions. my textbook doesnt offer any help, and my chem teacher sucks...
also, does anyone know of a site i can go 2 that will help?
thx so much, help is really appreciated! :)
1. How many kilojoules are required to raise the temperature of 4.55 x 10 *2* ml of water from 22.4 C to 300 K?
2. When 8.78 x 10 *2* J of heat are absorbed by 1.25 x 10 *2* grams of silver from 25.0 C to 54. 9 C. What is the specific heat of silver?
3. A copper wire weighing 3.16 g absorbs 42.8 J of heat. If its initial temperature is 22.6 C, what is its final temperaure? The specific heat capacity of copper is 0.385 J/g C.
*2* means "squared"
thanks a lot!
2007-10-20
14:16:20
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3 answers
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asked by
Tibs
2
in
Chemistry