Thermo2 - Laws of Thermodynamics

Thermo2 - Laws of Thermodynamics

12th Grade

25 Qs

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Thermo2 - Laws of Thermodynamics

Thermo2 - Laws of Thermodynamics

Assessment

Quiz

Science

12th Grade

Medium

Created by

alvin mortel

Used 1+ times

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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does the first law of thermodynamics state?

Energy can be created and destroyed

Energy cannot be created or destroyed, only transformed

Energy can be created but not destroyed

Energy is always conserved in isolated systems

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which equation represents the first law of thermodynamics?

ΔU=Q+W

ΔU=Q−W

ΔU=W−Q

ΔU=Q×W

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is an example of a process that obeys the first law of thermodynamics?

Perpetual motion machines

Conservation of mass

A closed system where heat added equals the work done by the system plus change in internal energy

An isolated system where heat is continuously produced without work

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The second law of thermodynamics states that:

Total energy is conserved in a system

Entropy of an isolated system always decreases

Entropy of an isolated system never decreases

Energy can neither be created nor destroyed

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

In an adiabatic process:

Heat is transferred to the surroundings

No heat is transferred to or from the system

Work is done on the system without changing its internal energy

Temperature remains constant

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the symbol for internal energy?

Q

W

U

H

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the first law of thermodynamics, what does WWW represent?

Work done by the system

Work done on the system

Heat absorbed by the system

Heat released by the system

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