Module #2: Energy, Heat, and Temperature

Question 1

Energy

Answer 1

The ability to do work.

Question 2

Work

Answer 2

The force applied to an object times the distance that the object travels parallel to that force

Question 3

Heat

Answer 3

Energy that is transferred as a consequence of temperature differences

Question 4

The First Law of Thermodynamics

Answer 4

Energy cannot be created or destroyed. It can only change form

Question 5

Potential Energy

Answer 5

Energy that is stored

Question 6

Kinetic Energy

Answer 6

Energy that is in motion

Question 7

Calorie (cal)

Answer 7

The amount of heat necessary to warm one gram of water one degree Celsius

Question 8

What is the specific heat of water?

Answer 8

1.000 cal/g.C or 4.184 J/g.C

Question 9

Kelvin Temperature

Answer 9

An absolute temperature scale

Question 10

Specific heat

Answer 10

The amount of heat necessary to raise the temperature of 1 gram of a substance by 1 degree Celsius

Question 11

Calorimetry

Answer 11

The experimental process that chemists use to measure heat.

Question 12

1 calorie (cal) is equal to how many Joules?

Answer 12

4.184 Joules

Question 13

1 food Calorie (Cal) is equal to how many calories (cal)?

Answer 13

1,000 chemistry calories (cal)

Question 14

What is the formula to convert Fahrenheit to Celsius?

Answer 14

C = 5/9 * (f - 32)

Question 15

What is the formula to convert Celsius to Fahrenheit?

Answer 15

F = (9/5 * C) + 32

Question 16

What it the formula to convert Celsius to Kelvin?

Answer 16

K = C + 273.15

Question 17

What is the formula to calculate the heat emitted from an object?

Answer 17

Heat (Joules) = Mass * Specific Heat * Change in Temp

Question 18

What is the formula for to calculate the specific heat of an object?

Answer 18

Specific Heat = Heat (Joules) / Mass * Change in Temp