Question: Question 2 ( 1 5 points ) A student pours 4 0 0 grams of hot coffee at a temperature of 7 0 C into

Question

2 (15

points

)

A student pours

400

grams of hot coffee at a temperature of

70 C

into a

200 -

gram glass cup at a temperature of

20 C .

Assuming they come to equilibrium fast enough so that negligible heat energy is exchanged with the environment, what is the final equilibrium temperature?

68 C

65 C

60 C

55 C

Question 2 ( 1 5 points ) A student pours 4 0 0

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