Unit 6 AP Chemistry

Endothermic

• absorb energy

• release energy

Tags

NGSS.HS-PS1-4

Exothermic

• absorb energy

• release energy

Tags

NGSS.HS-PS1-4

If a substance goes from a liquid to a gas, the process is

• endothermic, heat is transferred from the surrounding to the liquid

• endothermic, heat is transferred from the liquid to the surrounding

• exothermic, heat is transferred from the surrounding to the liquid

• exothermic, heat is transferred from the liquid to the surrounding

Tags

NGSS.MS-PS1-4

The freezing of water would be considered...

• endothermic, heat is being absorbed

• endothermic, heat is being released

• exothermic, heat is being absorbed

• exothermic, heat is being released

In the dissolution process, the increase in separation between ions in the solute is

• endothermic

• exothermic

In the dissolution process, the increase in separation between solvent molecules is

• endothermic

• exothermic

In the dissolution process, the step where the ions inserting into the spaces in the polar solvent is

• endothermic

• exothermic

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

In a system, the energy lost by the reacting species must be ________________ the energy gained by the surrouding

• greater than

• less than

• equal to

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

When an atom loses an electron, the process is

• endothermic

• exothermic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When a bond is broken, the process is

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4