If 200 J of energy were added to 1 g of each of these samples, which would experience the GREATEST temperature increase?

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2