Answer to Question #146498 in Physical Chemistry for Max Mayers

Question

What is the Factor Affecting Reaction Rate of the following scenario/situation:

1. Protein broken down in the stomach by enzyme pepsin.

2. More bubbles appear when s concentrated solution of hydrochloric acid is added to magnesium strip than when a dilute solution of the acid is added.

3. Raw potatoes are cut into thin slices for cooking.

4. Blowing air on campfire to help it going.

5. Grains of sugar dissolves quickly in water.

6. Smaller pieces of charcoal are used to grill food.

7. Meat is stored in a refrigerator to last longer.

8. Acid rain erodes marble faster.

9. Protease is used to tenderize meat.

10. Leaving a glass of Milk on the table causes it to spoil easily.

Answer 1

1. Protein broken down in the stomach by enzyme pepsin.

catalyst (enzyme)

2. More bubbles appear when s concentrated solution of hydrochloric acid is added to magnesium strip than when a dilute solution of the acid is added.

concentration

3. Raw potatoes are cut into thin slices for cooking.

surface area

4. Blowing air on campfire to help it going.

concentration (increasing partial pressure of oxygen)

5. Grains of sugar dissolves quickly in water.

surface area

6. Smaller pieces of charcoal are used to grill food.

surface area

7. Meat is stored in a refrigerator to last longer.

temperature

8. Acid rain erodes marble faster.

concentration (of H⁺)

9. Protease is used to tenderize meat.

catalyst (enzyme)

10. Leaving a glass of Milk on the table causes it to spoil easily.

temperature