Chemistry, 19.12.2020 01:00, Svetakotok
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
Answers: 3
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An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample?
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Which of the following involves only abiotic factors? a. a large rock being weathered by wind and rain b. an otter using a stone to break open a sea urchin c. a spider building a web in the corner of a building d. a pine tree absorbing light from the sun
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7. To make a 4 cup pot of green tea, one must heat the water to the boiling point at
standard press...
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