Thermodynamic Practice Problems

Total energy of an isolated system is constant; energy can be transformed from one form to another

• Zeroth Law of Thermodynamics

• First Law of Thermodynamics

• Second Law of Thermodynamics

• Law of Conservation of Energy

Heat output cannot exceed heat input; or energy output cannot exceed energy input

• Zeroth Law of Thermodynamics

• First Law of Thermodynamics

• Second Law of Thermodynamics

• Third Law of Thermodynamics

Tags

NGSS.HS-PS3-1

If 2 objects have the same temp. as a 3rd object, then the 2 objects must have the same temp.

• Zeroth Law of Thermodynamics

• First Law of Thermodynamics

• Second Law of Thermodynamics

• Third Law of Thermodynamics

Energy transferred from one place to another by virtue of a temperature difference is __________.

• Kinetic Theory

• Heat

• thermal energy

• temperature

Tags

NGSS.HS-PS3-4

Temperature is a measure of the...

• total energy in a substance
• total kinetic energy in a substance
• average potential energy in a substance
• average kinetic energy of molecules in a substance

A slower particle has a lower energy than an identical, faster particle.

• True
• False

Tags

NGSS.HS-PS3-2

When thermal energy is added to a substance, the substance's particles move:

• More rapidly at an increased diestance from each other.
• More rapidly with less distance between each other.
• More slowly with a greater distance between each other.
• More slowly with a reduced distance between each other.

Tags

NGSS.HS-PS3-2

A substance with a high specific heat:

• Is always extremely hot.
• Requires a lot of energy to become hot.
• Is not heavy.
• Does not requires a lot of energy to become hot.

The second law of thermodynamics states that entropy of a system tends to ______________.

• increase

• decrease

• stay constant

• fluctuate wildly

Tags

NGSS.HS-PS3-4

What happens on a molecular level when heat is removed from an object?

• the temperature decreases and the molecules move faster

• the temperature increases and the molecules move slower

• the temperature increases and the molecules molecules move faster

• the temperature decreases and the molecules move slower

Tags

NGSS.MS-PS1-4