Calorimeter

1. Which of the following best describes a bomb calorimeter?

• 1. a) A device used to measure the heat of combustion of a substance

• 1. b) An instrument that analyzes the molecular structure of compounds

• 1. c) A tool for determining the pH of a solution

• 1. d) A machine used to determine the electrical conductivity of materials

1. Which of the following is true about bomb calorimeters?

• 1. a) They measure heat changes at constant volume

• 1. b) They determine the pH of a substance

• 1. c) They analyze the molecular structure of compounds

• 1. d) They rely on the electrical conductivity of materials

1. Which of the following is an example of an application of bomb calorimetry?

• 1. a) Determining the energy content of food

• 1. b) Measuring the pH of a solution

• 1. c) Analyzing the viscosity of a liquid

• 1. d) Assessing the color of a substance

1. Which of the following is a key component of a bomb calorimeter?

• 1. a) weighing scale

• 1. b) pH electrode

• 1. c) Optical sensor

• 1. d) thermometer

1. Which type of reaction releases heat to the surroundings?

• 1. a) Exothermic reaction

• 1. b) Endothermic reaction

• 1. c) Isothermal reaction

• 1. d) Reversible reaction

1. What does specific heat capacity measure?

• 1. a) The amount of heat required to raise the temperature of a substance

• 1. b) The amount of heat released in a reaction

• 1. c) The amount of heat transferred during a phase change

• 1. d) The amount of heat absorbed by a calorimeter

1. Which of the following statements is true about an endothermic reaction?

• 1. a) It absorbs heat from the surroundings

• 1. b) It releases heat to the surroundings

• 1. c) It occurs at constant pressure

• 1. d) It occurs spontaneously

15. Which of the following factors affect the heat capacity of a substance?

• 15. a) Mass and specific heat capacity

• 15. b) Temperature and volume

• 15. c) Pressure and enthalpy

• 15. d) Concentration and pH

1. Which of the following is a potential error in calorimetry?

• 1. a) Heat loss to the surroundings

• 1. b) Excessive heat production

• 1. c) Complete combustion

• 1. d) Increase of temperature changes after combustion

What is calorimeter?