3 years ago

ABOUT IT

Chemistry

1 answer:

MaRussiya [10]3 years ago

5 0

Answer:

Molecules in the hot water bottle are

moving faster than molecules in the skin.

Explanation:

If the molecules in the skin were to be moving faster than the water then the water would seem to be cold.

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2. How many grams of water can be heated from 20.0 oC to 75oC using 12500.0 Joules?

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Answer;

= 0.054 kg or 54 g

Explanation;

Using the equation; Q = mcΔT where Q is the quantity of heat transferred, m is the mass, c is specific heat of the substance, ΔT is delta T, the change in temperature.

ΔT = 75 - 20 = 55 C.

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