Asked by Ana

If the specific heat of a marshmallow is 2 J/g, how much heat is given off when it cools from room temp (25C) to its liquid nitrogen bath. Weight of the marshmallow 7.4g

Q=mass marshmallow x specific heat x (Tfinal-Tinitial)
7.4 x 2 x (-196 - 25) = -32

Is it correct?
Thank you

5 years ago

Answered by R_scott

the value in parentheses is -221 ... how do you get -32 for a result?

5 years ago

Answered by Ana

Could you help me Mr Scott

5 years ago

Answered by Ana

Would be -3
14.8 x -221= -3

5 years ago

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