7. To make a 4 cup pot of green tea, one must heat the water to the boiling point at standard pressure. If the pot contains 680 grams of water, and the temperature at
the tap is 20.0°C, how much heat must be absorbed by the water?
(Use 4.18 J/g°C for the specific heat of wate.)
A) 2.84 x 10^4j
B) 5.68 x 10^4j
C)2.27 x 10^5 j
D) 2.80 x 10^5 j