Question
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
Q=mass marshmallow x specific heat x (Tfinal-Tinitial)
7.4 x 2 x (-196 - 25) = -32
Is it correct?
Thank you
Answers
R_scott
the value in parentheses is -221 ... how do you get -32 for a result?
Ana
Could you help me Mr Scott
Ana
Would be -3
14.8 x -221= -3
14.8 x -221= -3