You add 500 mL of water at 10°C to 100 mL of water at 70°C. What is the

most likely final temperature of the mixture?

Question

Physics

Alessandra Mcknight

19 February, 01:31

You add 500 mL of water at 10°C to 100 mL of water at 70°C. What is the

most likely final temperature of the mixture?

+3

Answers (1)

Know the Answer?

Miller · Answer 1

20°C

Explanation:

Heat gained by the colder water = heat lost by the warmer water

m₁ C (T - T₁) = m₂ C (T₂ - T)

m₁ (T - T₁) = m₂ (T₂ - T)

(500) (T - 10) = (100) (70 - T)

5 (T - 10) = 70 - T

5T - 50 = 70 - T

6T = 120

T = 20

The final temperature is 20°C.

You add 500 mL of water at 10°C to 100 mL of water at 70°C. What is themost likely final temperature of the mixture?

You add 500 mL of water at 10°C to 100 mL of water at 70°C. What is the

most likely final temperature of the mixture?