Mastering Heat Transfer

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.

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)

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.

<p>1 calorie = 4.186 joules</p> Signup and view all the answers

<p>Temperature is the average kinetic energy of the particles in a sample of matter.</p> Signup and view all the answers