Thermochemistry Test Review

Describe the meaning of 'Phase change'.

• The transition of a substance from one state of matter to another, such as from solid to liquid, liquid to gas.

• The process of changing the color of a substance when exposed to light.

• The alteration of the chemical composition of a substance when mixed with another.

• The process of a substance expanding in volume when heated without changing its state.

Tags

NGSS.MS-PS1-4

Describe the meaning of 'Calorimeter'.

• A device used to measure the amount of heat involved in a chemical reaction.

• A tool used to measure the speed of wind.

• An instrument used to measure electrical resistance.

• A device used to measure atmospheric pressure.

Tags

NGSS.HS-PS3-4

Describe the meaning of 'Specific heat'.

• The amount of heat required to raise the temperature of one gram of a substance by one degree Celsius (or one Kelvin).

• The amount of heat required to change the state of a substance from solid to liquid.

• The amount of heat required to increase the volume of a gas at constant pressure.

• The amount of heat required to completely burn a substance.

Tags

NGSS.HS-PS3-4

Describe the meaning of 'Heat of fusion'.

• The energy required to change a substance from a solid to a liquid, without changing its temperature.

• The energy required to change a substance from a liquid to a gas at its boiling point.

• The energy required to change a substance from a gas to a liquid at its condensation point.

• The energy required to change a substance from a solid to a gas without passing through the liquid phase.

Tags

NGSS.MS-PS1-4

Describe the meaning of 'Heat of vaporization'.

• The amount of energy required to convert a unit of a substance from a liquid to a gas at a constant temperature and pressure.

• The energy needed to change a gas into a liquid at constant temperature and pressure.

• The energy required to raise the temperature of a substance by one degree Celsius.

• The energy needed to convert a solid directly into a gas without passing through the liquid phase.

Tags

NGSS.HS-PS3-4

Describe the meaning of 'Exothermic'.

• A process that releases energy, usually in the form of heat, to its surroundings.

• A process that absorbs energy from its surroundings.

• A process that neither absorbs nor releases energy.

• A process that involves the transfer of energy in the form of light.

Tags

NGSS.HS-PS1-4

Describe the meaning of 'Endothermic'.

• A process or reaction that absorbs heat from its surroundings, lowering the temperature of the surroundings.

• A process that releases heat to its surroundings, increasing the temperature of the surroundings.

• A term used to describe a process that neither absorbs nor releases heat.

• A process that involves the transfer of electrical energy.

Tags

NGSS.HS-PS1-4

Describe the meaning of 'Boiling point'.

• The temperature at which a liquid turns into vapor.

• The temperature at which a solid turns into a liquid.

• The temperature at which a gas turns into a liquid.

• The temperature at which a liquid turns into a solid.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Describe the meaning of 'Vaporization'.

• The process of a liquid turning from a liquid state into a gas.

• The process of a gas turning into a liquid.

• The process of a solid turning directly into a liquid without passing through the gas phase.

• The process of a liquid turning into a solid.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Describe the meaning of 'Sublimation'.

• The process in which a solid changes directly into a gas without passing through the liquid state.

• The process where a gas turns into a liquid before becoming a solid.

• The process of a liquid turning into a solid without becoming a gas.

• The process where a solid turns into a liquid and then evaporates.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4