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Directions: Provide the correct word on the blank to complete each sentence. Choose your answer from the word bank below.

•Spontaneous
•Heat pump
•Heat
•Joule
•Thermodynamic

1. _________is the unit to express internal energy.
2. Heat usually flows from higher temperature to lower temperature, which _________ is process.
3. The second law of ___________ states that heat will never of itself flow from a cold temperature to a hot weather.
4. A _________ is a device that reverses the direction of the heat flow.
5. __________ is the energy transferred from one body to another because of a temperature difference.​


Sagot :

Answer:

1. Joule is the unit to express internal energy.

2. Heat usually flows from higher temperature to lower temperature, which Spontaneous is process.

3. The second law of Thermodynamic states that heat will never of itself flow from a cold temperature to a hot weather.

4. A Heat pump is a device that reverses the direction of the heat flow.

5. Heat is the energy transferred from one body to another because of a temperature difference.