Thermodynamics and Systems

Thermodynamics is the study of what?

• The transfer of energy
• The creation of energy
• The speed of reactions 
• The affect of heat on the speed of a reaction 

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

NGSS.HS-PS3-2

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

Tags

NGSS.HS-PS3-4

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 transfer of thermal energy between objects of different temperatures is called...

• temperature
• heat
• internal energy
• none of these

Tags

NGSS.HS-PS3-4

What is the correct formula to convert Celsius to Kelvin?

• K=C-273
• K=C+273
• K=C-100
• K=C+100

What quantity of heat is required to raise the temperature of 450 grams of water from 15°C to 85°C? The specific heat capacity of water is 4.18 J/g/°C.

• 131670 J
• 159885 J
• -131670
• none of the above

Tags

NGSS.HS-PS3-1

The amount of heat required to raise the temperature of 1g of something by 1 C, is called what?

• Latent Heat
• Specific Heat
• Heat of Formation 
• Heat of Fusion 

The amount of heat needed to melt one mole of a substance is called:

• Specific Heat
• Latent Heat
• Heat of vaporization
• Heat of fusion

What is enthalpy?

• A measurement of chaos
• The heat content of a system 

Tags

NGSS.HS-PS3-1

What is entropy?

• A measurement of chaos
• The heat content of a system