Thermodynamics Quiz/Quest

Question 1

What is thermo?

Answer 1

Heat

Question 2

What is dynamics?

Answer 2

Movement

Question 3

What is heat?

Answer 3

The transfer of energy due to differences in temp.

Question 4

How is heat transferred?

Answer 4

By moving atoms

Question 5

What is temperature?

Answer 5

The average kinetic energy of an objects particles

Question 6

What is thermal energy?

Answer 6

Total kinetic energy of an objects particles; or concentrated heat

Question 7

What is internal energy?

Answer 7

Rotational kinetic energy of molecules, movement of atoms inside molecules, and all energy due to forces between molecules

Question 8

What is the 1st law of thermodynamics?

Answer 8

Energy is conserved

Question 9

What is the consequence of the 1st law?

Answer 9

There is no perpetual motion because heat energy is lost so things will eventually run out of energy

Question 10

What is the 2nd law of thermodynamics?

Answer 10

Entropy is always increasing; thermal energy goes from hot to cold, unless outside energy is applied

Question 11

What is the consequence of the 2nd law?

Answer 11

We can construct a positive arrow of time

Question 12

What is the 3rd law of thermodynamics?

Answer 12

Absolute zero can’t be achieved!!

Question 13

What is absolute zero?

Answer 13

-273.15 Celsius
Or
-459.67 Fahrenheit

Question 14

What is the consequence of the 3rd law?

Answer 14

Atoms that do achieve absolute zero will implode

Question 15

What is the zeroth law?

Answer 15

If 2 systems are in equilibrium with a 3rd system they are in equilibrium with each other

Question 16

What is the consequence of the zeroth law?

Answer 16

We don’t have to measure twice; objects in thermal equilibrium have the same temperature

Question 17

What is thermodynamics?

Answer 17

How energy is transferred as heat and work