Ch 6: Energy Types and Conversions

Question 1

What type of energy is the energy of motion?

Answer 1

Kinetic energy

Question 2

What type of energy is stored energy?

Answer 2

Potential

Question 3

How do you calculate the total energy of a sample

Answer 3

Kinetic energy + Potential energy

Question 4

What is the unit of energy?

Answer 4

Joule (J)

Question 5

1 calorie (Cal) = ? calories (cal)?

Answer 5

1000 calories (cal)

Question 6

1 Calorie (cal) = ? joules (J)

Answer 6

4.184 joules (J)

Question 7

1 kilocalorie (kcal) = ? calories (cal)

Answer 7

1,000 calories (cal)

Question 8

1 kilocalorie (kcal) = ? joules (J)

Answer 8

4.184 joules (J)

Question 9

1 kilojoule (kj) = ? joules (J)

Answer 9

1,000 joules (J)

Question 10

1 kilowatt-hour (kWh) = ? joules (J)

Answer 10

3.60 x 10^6 joules (J)

Question 11

1g of protein = ? Calories (Cal)

Answer 11

4 Calories (Cal)

Question 12

1g of carbohydrates = ? Calories (Cal)

Answer 12

4 Calories (Cal)

Question 13

1g of fat = ? Calories (Cal)

Answer 13

9 Calories (Cal)