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vivado [14]
3 years ago
8

How are elements arranged in the Periodic Table?

Chemistry
2 answers:
ladessa [460]3 years ago
5 0
A. By their properties.
lara31 [8.8K]3 years ago
5 0
A, I think. Sorry if I'm incorrect.
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How much heat (in Joules) is needed to raise the temperature of 257g of ethanol (cethanol=2.4 J/g°C) by 49.1°C?
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Answer:

Q = 30284.88 j

Explanation:

Given data:

Mass of ethanol = 257 g

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It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

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