Heating curves

The temperature at which a substance changes from a liquid to a gas is called the _______________.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

At the melting point of a substance, temperature ________ as heat is being added and the substance is changing from a solid to a liquid.

Tags

NGSS.MS-PS1-4

What term is given to a reaction which transfers heat energy to the surroundings?

• Endothermic

• Reversible

• Exothermic

• Exotermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

What type of chemical reaction absorbs energy and requires energy for the reaction to occur?

• Endothermic

• Exotermic

• Exothermic

• Endotermic

Tags

NGSS.HS-PS1-4

Justify, why the water boiling point, will not go above

92 - 96ºC.