Chapter 16

Question 1

Thermochemistry

Answer 1

Study of energy change

Question 2

Temperature (unit)

Answer 2

Measure of average kenetic energy
-Celsius and kelvin

Question 3

How to convert c to k

Answer 3

+273

Question 4

Heat (unit)

Answer 4

How much temperature changes joules

Question 5

How is energy transferred between two objects

Answer 5

Hot to cold

Question 6

Calorimeter

Answer 6

How much you’re moving, the amount of energy absorbed or released as heat

Question 7

Specific heat

Answer 7

Amount of energy needed to raise the temperature

Question 8

q

Answer 8

Heat

Question 9

Cp

Answer 9

Specific heat

Question 10

m

Answer 10

Mass

Question 11

🔼

Answer 11

Change

Question 12

🔼T

Answer 12

Change temperature

Question 13

Enthalpy (unit)

Answer 13

The energy absorbed as heat during a chemical reaction
-🔼H

Question 14

Hess law

Answer 14

The overall enthalpy change in a reaction= sum of enthalpy change

Question 15

Endothermic

Answer 15

Heat entered or absorbed heat

Question 16

Exothermic

Answer 16

Energy released/ energy exits

Question 17

Entropy

Answer 17

Tend to proceed toward randomness( positive)

Question 18

Gibbs free energy ( unit )

Answer 18

Combined enthalpy 🔼G

Question 19

Gibbs free energy equation

Answer 19

🔼G=🔼H-T🔼S

Question 20

When is a reaction spontaneous

Answer 20

🔼G<0

Question 21

Reactant >product

Answer 21

Endothermic

Question 22

Reactant<product

Answer 22

Exothermic