What should be the total mass of all the products of the reaction? show your calculations or explain your answer, and include units in your answer. after the fizzing stops, the students determine that the liquid in the flask has a mass of 105 g.

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?