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Yuki888 [10]
4 years ago
5

3.

Chemistry
1 answer:
Katyanochek1 [597]4 years ago
8 0

Answer:

A. decreases  

Explanation:

You must remove energy from water vapour for it to condense, so its potential energy decreases.

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1. An atom of an elephant has atomic mass of 39 and has number of neutrons as 20 calculate protons number.
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Answer:

See Explanation

Explanation:

1) Let us recall that;

Mass number = number of protons + number of neutrons

Where;

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The symbol of the element is 27X13

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why does reducing solute particle size increase the speed at which the solute dissolves in water .
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