Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
Which of the following is the correct definition of heat?
Which of the following is the correct definition of heat?
- Heat is the flow of thermal energy from one object to another.
- Heat is the average kinetic energy of the particles in a sample of matter.
- Heat is the energy in transit between two objects or systems due to a temperature difference between them. (correct)
- Heat is the measure of the average kinetic energy of the particles in a sample of matter.
Which of the following is true about the flow of heat?
Which of the following is true about the flow of heat?
- Heat always flows from cooler objects to warmer objects.
- Heat does not flow between objects at different temperatures.
- Heat flows spontaneously in both directions between objects at different temperatures.
- Heat always flows from warmer objects to cooler objects. (correct)
What is the definition of a calorie?
What is the definition of a calorie?
- The calorie is defined as the heat required to change the temperature of 1 g of water by 1° C. (correct)
- The calorie is defined as the heat required to change the temperature of 1 g of water by 10° C.
- The calorie is defined as the heat required to change the temperature of 1 kg of water by 10° C.
- The calorie is defined as the heat required to change the temperature of 1 kg of water by 1° C.
What is the relationship between calorie and joule?
What is the relationship between calorie and joule?
Signup and view all the answers
What is temperature?
What is temperature?
Signup and view all the answers
