Help with phsyics homework?

Question

I need help with my phsyics homework here is a link of the problems i need to do http://go.hrw.com/resources/go_sc/phy/HF2PW10C.PDF it's the problems under additional practice. all i really need are the answers so i can check them with my own

Answer 1

i used the constants - specific heat H2O is 4190 J/kg-K
and copper is 385 J/kg-K

1.1.7455x10^6 kg
2.1.5665x10^5 kg
3.404.8°C
4.24.39°C
5.4.0075°C
6.4185.1 J/kg-K (something like water 4190 J/kg-K)
7.1.29x10^2 J/kg-K - GOLD

Answer 2

Right.

All we need are YOUR answers so that we can check them with our own.