Thermodynamics

What is thermodynamics?

• movement of heat
• it's magic
• measurement of heat
• none of them

What is absolute zero?

• 0 K
• 273 K
• 0^oC

According to the second law of thermodynamics, natural processes go in the direction that ____ the total entropy of the universe.

• Increases or Decreases

• Increases

• Decreases

• maintains

The total change in the thermal energy of a system is the heat added to it minus the ____ the system.

• entropy of

• work done by

• kinetic energy of

• temperature of

__________ is the amount of energy that must be added to a material to raise one unit of mass by one temperature unit.

• Temperature

• Specific Heat

• Radiation

• Hotness

The SI unit for measuring heat is the 

• pascal
• newton
• Joule
• calorie

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

• Hotter to colder
• Colder to hotter
• Hotter to hotter
• Colder to colder

A measure of the amount of disorder or randomness in a system.

• Entropy

• Exothermic

• First Law of Thermodynamics

• Heat engine

The first law of thermodynamics states that energy is

• created
• destroyed
• conserved
• created and destroyed

What are the units for specific heat capacity?

• kg or g

• C or K

• cal or J

• cal/g C or J/kg K