​ ​ (a)   ​ (b)   ​ (c)   is the amount of heat energy needed to raise the temperature of 1 g of a substance 1 ºC or 1 K.

• specific
• heat
• capacity
• energy
• temperature
• enthalpy
• system

​ ​ ​ (a)   ​ (b)   is the amount of heat energy needed to raise the temperature of an object or substance 1 ºC or 1 K.

• heat
• capacity
• energy
• temperature
• enthalpy
• specific

​ ​ ​ ​ ​ (a)   is the ability to do work.

• energy
• temperature
• enthalpy
• heat
• capacity
• specific

​ (a)   kilojoule(s) = ​ (b)   Joule(s)

• 1
• 1000
• 10
• 100
• 1 000 000
• 1 000 000 000

​ ​ ​ ​ Joule (J) is a unit of ​ (a)   .

• energy
• temperature
• mass
• specific heat
• capacity
• specific

A​ (a)   is defined as a quantity of matter or a region of space that is of interest.

The area outside of the system is called the ​ (b)   .

The surface that separates the system from the surroundings is call the ​ (c)   .

• system
• surroundings
• boundary
• gram
• experiment
• outside
• in-between
• membrane

A system where neither mass nor energy crosses the boundary.

• isolated system

• closed system

• open system

A system where only mass does NOT cross the boundary of the system.

• isolated system

• closed system

• open system

A system where both mass and energy can cross the boundary of the system.

• isolated system

• closed system

• open system

isolated system

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• 
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