Alexandra decides to climb Mt. Krumpett, which is 5000 m m high. She determines that this will require a total of 3150 kcal k c a l of energy for the trip. For her food supply, she decides to take nutrition bars. The label states that each bar contains 50 g g of carbohydrates, 10 g g of fat, and 40 g g of protein. How many nutrition bars should Alexandra pack?

Based on the equation and the information in the table, what is the enthalpy of the reaction?

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

How many moles are in 43.9 l of oxygen