A hot tub is filled with 450 gal of water. (Figure 1)
What is the mass, in kilograms, of water in the tub?
Express your answer to two significant figures and include the appropriate units.
How many kilocalories are needed to heat the water from 34°F to 177°F?
Express your answer to two significant figures.
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What scientific concept do you need to know in order to solve this problem?
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