Kindly answer the following questions. In which class are you ?
In which country are you living ?
How many percent do you get in your previous class ?
Which is your fav. colour ?
Do you like dogs ?
Worst experience in your life ?
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4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.

Salt in oceans comes from and of rocks

Which substance—wood or silver—is the better thermal conductor? a thermal conductor is a material that requires very little heat energy to change its temperature. explain your answer.