How much heat is absorbed by a 44.7-g piece of lead when its temperature increases by 65.4°C?

What is the work done by the electric force to move a 1 c charge from a to b?

Which item is most likely part of the safety contract

In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.