Quiz about Thermodynamic

Question 1

What is the PE of the products?

Accepted Answer

50 kJ

Answer

100 kJ

Answer

175 kJ

Answer

75 kJ

Question 2

What type of reaction is this?

Accepted Answer

Exothermic

Answer

Endothermic

Question 3

Exothermic reactions feel...

Accepted Answer

Hot

Answer

Cold

Question 4

The energy absorbed by endothermic reactions is used to...

Accepted Answer

break chemical bonds that require a lot of energy to break

Answer

form chemical bonds between atoms that release a lot of energy when they're formed

Question 5

The energy released by exothermic reactions happens when...

Accepted Answer

chemical bonds that release a lot of energy when they're formed are formed between atoms

Answer

chemical bonds that require a lot of energy to break are broken

Question 6

If a chemical reaction is EXOTHERMIC, the temperature of the surrounding would....

Accepted Answer

Increase

Answer

Stay the same

Answer

Decrease

Question 7

Endothermic reactions feel...

Accepted Answer

Cold

Answer

Hot

Question 8

Thermal energy always moves:

Accepted Answer

From a high temperature object to a lower temperature object.

Answer

From a lower temperature object to a higher temperature object.

Answer

From an object with lower kinetic energy to an object with higher kinetic energy.

Answer

From an object of higher mass to an object of lower mass.

Question 9

Which of the following laws states that energy cannot be created or destroyed, only transformed from one form to another?

Accepted Answer

First Law of Thermodynamics

Answer

Second Law of Thermodynamics

Answer

Third Law of Thermodynamics

Answer

Zeroth Law of Thermodynamics

Question 10

In a closed system, if the internal energy increases by 50 J and the system does 20 J of work, what is the amount of heat added to the system?

Accepted Answer

70 J

Answer

30 J

Answer

50 J

Answer

20 J

Thermodynamic