8. Thermochemistry

How many joules are equivalent to 55.2 calories? (Note: 1 calorie = 4.184 joules)

Which type of energy is primarily stored in a battery?

When a burner on a stove is turned on, which type of energy is primarily produced?

As the temperature of a chemical reaction increases, which of the following typically occurs?

How much energy (in kJ) is required to convert a 22.0 g sample of liquid water at 25.0 °C to steam at 145.0 °C? (Given: specific heat of water = 4.18 J/g·°C, specific heat of steam = 2.03 J/g·°C, enthalpy of vaporization = 40.7 kJ/mol, molar mass of H2O = 18.0 g/mol)

What type of energy is used to break the bonds in glucose during cellular respiration?

Which of these is the ultimate source of energy for all organisms on Earth?

Which device is designed to convert chemical energy into thermal energy and then into electrical current?

Which of the following compounds would you predict to be highest in energy?

Which statement best describes the difference between heat and thermal energy?

When atoms in a substance gain more thermal energy, which of the following best describes what happens to them?

Which event would most likely occur if Earth did not retain the heat from its formation?

Which of the following best describes chemical energy?

Which statement best describes the significance of the temperature known as absolute zero?

Which of the following substances is predicted to have the highest heat of vaporization?