Heat And Thermodynamics

Question 1

During the phase change temperature is ________

Answer 1

Constant

Question 2

What phase change occurs when a solid changes directly to a gas?

Answer 2

Sublimation

Question 3

What is the fourth state of matter?

Answer 3

Plasma

Question 4

And insulated device used to measure heat energy

Answer 4

Calorimeter

Question 5

A measure of average kinetic energy of particles

Answer 5

Temperature

Question 6

The total amount of energy transferred from a warm object to a cold one

Answer 6

Heat

Question 7

Stored energy

Answer 7

potential energy

Question 8

energy of motion

Answer 8

kinetic energy

Question 9

If you’re measuring delta G you’re measuring ______

Answer 9

Free energy

Question 10

A reaction with a positive enthalpy

Answer 10

Endothermic

Question 11

Reaction with a negative enthalpy

Answer 11

Exothermic

Question 12

When you’re measuring the degree of disorder your measuring

Answer 12

Entropy

Question 13

When you’re measuring heat content your measuring

Answer 13

Enthalpy

Question 14

Reaction that occurs automatically

Answer 14

Spontaneous

Question 15

The amount of energy needed to start a reaction is called

Answer 15

Activation energy