Set 2

Question 1

Exothermic reactions

Answer 1

Releases energy

Question 2

Two important exothermic reactions

Answer 2

Combustion reaction and cellular reaction

Question 3

Two important endothermic reactions

Answer 3

Photosynthesis and electrolysis

Question 4

Combustion reaction

Answer 4

Exothermic

Question 5

Photosynthesis

Answer 5

Endothermic reaction

Question 6

The energy released by…

Answer 6

the reaction is measured in JOULES or KILOJOULES.

Question 7

Calorie

Answer 7

A calorie is another unit of energy. A calorie is the amount of energy, or heat, it takes to raise the temperature of 1 gram of water 1 degree Celsius. The number of calories in a food is a measure of how much energy that food has. The calories of food are measured in Calories or kilocalories.

Question 8

BMR

Answer 8

Basal metabolic rate.

Your BMR is the amount of energy your body needs to function

Question 9

Formula of BMR women

Answer 9

655 + (9.6 x weight in Kg) + (1.8 x height in cm) - (4.7 x age in years)

Question 10

Formula of BMR men

Answer 10

66 + (13.7 x weight in Kg) + (5 x height in cm) - (6.8 x age in years)

Question 11

How to get calories

Answer 11

Sedentary: BMR x 20 percent
Lightly active: BMR x 30 percent
Mostly active: BMR x 40 percent

Question 12

Is digestion of food an endothermic or exothermic process?

Answer 12

Exothermic it give us energy

Question 13

Name two units used to measure energy

Answer 13

Joules, kilojoules,calorie and kilocalorie

Question 14

Name three important nutrients and the amount of Kcal per gram they supply

Answer 14

• carbohydrates: 4kilocalories per gram.
• Proteins: 4 kilocalories per gram.
• Fat: 9 kilocalories per gram.

Question 15

What is the basal metabolic rate (BMR)?

Answer 15

The amount of energy your body needs to function

Question 16

Investigate the % of each type of nutrient you need to consume daily?

Answer 16

Carbohydrates: 20%.
Proteins: 10%-15%.
Fat: 15%-20%.

Question 17

Endothermic reactions

Answer 17

Absorve energy