Measuring Enthalpy Changes

In an endothermic reaction, energy is _________.

• absorbed

• released

_____ reactions usually feel hot!

• endothermic

• exothermic

Solid --> liquid --> gas is what type of reaction?

• endothermic

• exothermic

• catalytic

• inhibited

Endo means in or _______.

• absorbed

• released

Exo means out or ________.

• absorbed

• released

The graph above is from which type of reaction?

• Endothermic reaction

• Exothermic Reaction

The graph above is from which type of reaction?

• Endothermic reaction

• Exothermic reaction

A measure of the average kinetic energy of the individual particles in an object is called:

• thermal energy
• conduction
• convection
• temperature

Water boils at 212⁰F, which is equivalent to__.

• 273 K
• 0⁰ C
• 100⁰C
• 37⁰C

How does heat transfer when you hold an ice cube in your hand?

• from the cold ice cube to your warm hand

• the cold ice cube makes your hand cold

• from your warm hand to the cold ice cube

• very carefully