What is the specific heat of a metal with a mass of 14.0 g, heat of 3.45 KJ and a change in temperature of 3.2?

Who is better, messi or cristiano, i need this for a chemistry class. asap

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.