How much mass, in kilograms, would be used to generate 5.0 x 1014 joules of energy?
A) 5.6 x 10-3 kg
B) 1.7 x 106 kg
C) 1.5 x 1023 kg
D) 4.5 x 1031 kg

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?

What volume of 0.500 mol/l hydrochloric acid, hci (aq) is required to react completely with 1.00 g of aluminum hydroxide, ai(oh)3 (s)?

4786 joules of heat are transferred to a 89.0 gramsample of an unknown material, with an initialtemperature of 23.0°c. what is the specific heat of thematerialif the final temperature is 89.5 °c?