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DanielleElmas [232]
3 years ago
9

Does anyone know how to do number 15?

Chemistry
1 answer:
vovikov84 [41]3 years ago
6 0

Answer:

yes i do 980

Explanation:

i899 1/2

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Use the formula q = m·ΔHv in which q = heat energy, m = mass, and ΔHv = heat of vaporization.

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Explanation:

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Because more than one substance was released (following a color change signifying a chemical reaction), the sample was indeed, a compound.
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