Which expression represents the heat of reaction for a chemical change in terms of potential energy, PE?

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

If you add 10ml of hot water to 10ml of cold water and the change in tempature 8°c calculate how much energy is gained by the cold water