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Likurg_2 [28]
3 years ago
10

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

Physics
1 answer:
laiz [17]3 years ago
5 0

Answer:

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.

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