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koban [17]
4 years ago
12

When coal is burned, _____ energy is being converted to _____ energy.

Chemistry
2 answers:
LiRa [457]4 years ago
4 0
I am pretty sure the answer is D
Finger [1]4 years ago
3 0
The answer is D i think
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A piece of gold ingot with a mass of 301 g has a volume of 15.6 cm3 . calculate the density of gold.
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Answer:

            19.29 g.cm⁻³

Solution:

Data Given:

                             Mass  =  301 g

                             Volume  =  15.6 cm³

Formula Used:

                             Density  =  Mass ÷ Volume

Putting values,

                             Density  =  301 g ÷ 15.6 cm³

                            Density  =  19.29 g.cm⁻³

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