Work it out. How many joules of heat is given out when pieces of iron of mass 50g and specific heat capacity =460kgk cools from 80¡èc to 20¡èc?

Answer 1

heat=massiorin*specificheat*(Tf-Ti)

Answer 2

1380joules

Answer 3

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Answer 4

The answer is correct

Answer 5

Answer is Correct