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anzhelika [568]
3 years ago
6

How much heat is released when a 20g block of lead cools from 150°C to 120°C

Chemistry
1 answer:
ale4655 [162]3 years ago
6 0

Answer:

96 Joules of heat released.

Explanation:

q=mc∆t

q=(20)(.16)(-30)

q=-96

Q negative means heat is released.

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