MCAT Physics: Thermodynamics

Question 1 of 15

1

Thermodynamics is the study of the flow and transformation of energy in the universe.

Select one of the following:

True
False

Explanation

Question 2 of 15

1

In the zeroth law how much net flow of heat flows between the objects?

Select one of the following:

1
0
2

Explanation

Question 3 of 15

1

What is a major characteristic of absolute zero and what is its measurement?

Select one of the following:

no thermal energy 0 K
no thermal energy 0 J
no thermal energy 0 D

Explanation

Question 4 of 15

1

celsius to fahrenheit is Tf=(9/5)Tc+31

Select one of the following:

True
False

Explanation

Question 5 of 15

1

The change of temperature in solids results in a change in their ________.

Select one of the following:

width
height
length

Explanation

Question 6 of 15

1

The equation for a change in length of a solid due to a ∆T is... ∆L=(α)(L)(∆T)
α = coeff. of linear expansion (specific to material)
L is the original length

Select one of the following:

True
False

Explanation

Question 7 of 15

1

The change of temperature in liquids results in a change in their ________.

Select one of the following:

weight
length
volume

Explanation

Question 8 of 15

1

The equation for a change in volume of a liquid due to a ∆T is... ∆V=(β)(V)(∆ T)
where β = 3α
β = coefficient of volume expansion (in K-¹ or °C-¹)
V is original volume

Select one of the following:

True
False

Explanation

Question 9 of 15

1

First Law of Thermodynamics (internal energy)

Select one of the following:

∆ U= ±Q + ±X
∆ U= ±Q + ±W
∆ U= ±Q + ±Z

Explanation

Question 10 of 15

1

Work done by the system is...

Select one of the following:

positive
negative
neutral

Explanation

Question 11 of 15

1

Work done on the system is...

Select one of the following:

positive
negative
neutral

Explanation

Question 12 of 15

1

What are the three ways by which heat can be transfer E? Check all that apply.

Select one or more of the following:

conduction
convection
radiation

Explanation

Question 13 of 15

1

	Created by Mike Nervo over 10 years ago

Practice quiz for MCAT physics portion, focus on thermodynamics.

MCAT Physics: Thermodynamics

Question 1 of 15

Thermodynamics is the study of the flow and transformation of energy in the universe.

Select one of the following:

Explanation

Question 2 of 15

In the zeroth law how much net flow of heat flows between the objects?

Select one of the following:

Explanation

Question 3 of 15

What is a major characteristic of absolute zero and what is its measurement?

Select one of the following:

Explanation

Question 4 of 15

celsius to fahrenheit is Tf=(9/5)Tc+31

Select one of the following:

Explanation

Question 5 of 15

The change of temperature in solids results in a change in their ________.

Select one of the following:

Explanation

Question 6 of 15

The equation for a change in length of a solid due to a ∆T is... ∆L=(α)(L)(∆T) α = coeff. of linear expansion (specific to material) L is the original length

Select one of the following:

Explanation

Question 7 of 15

The change of temperature in liquids results in a change in their ________.

Select one of the following:

Explanation

Question 8 of 15

The equation for a change in volume of a liquid due to a ∆T is... ∆V=(β)(V)(∆ T) where β = 3α β = coefficient of volume expansion (in K-¹ or °C-¹) V is original volume

Select one of the following:

Explanation

Question 9 of 15

First Law of Thermodynamics (internal energy)

Select one of the following:

Explanation

Question 10 of 15

Work done by the system is...

Select one of the following:

Explanation

Question 11 of 15

Work done on the system is...

Select one of the following:

Explanation

Question 12 of 15

What are the three ways by which heat can be transfer E? Check all that apply.

Select one or more of the following:

Explanation

Question 13 of 15

The direct transfer of energy from molecule to molecule through molecular collisions is called _______.

Select one of the following:

Explanation

Question 14 of 15

When temperature increases, density decreases.

Select one of the following:

Explanation

Question 15 of 15

How many joules (E) does it take to raise 1kg of water by 1 degree?

Select one of the following:

Explanation

The equation for a change in length of a solid due to a ∆T is... ∆L=(α)(L)(∆T)
α = coeff. of linear expansion (specific to material)
L is the original length

The equation for a change in volume of a liquid due to a ∆T is... ∆V=(β)(V)(∆ T)
where β = 3α
β = coefficient of volume expansion (in K-¹ or °C-¹)
V is original volume