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liberstina [14]
3 years ago
10

Coal and petroleum are useful because the both have ___ stored in them.

Chemistry
2 answers:
Mariana [72]3 years ago
6 0

Answer:

Energy is the answer. I just took the lesson

God bless!

gizmo_the_mogwai [7]3 years ago
5 0
I think the answer is 4 carbon dioxide
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A water sample has a pH of 8.2 and a bicarbonate concentration of 97 mg/L. What is the alkalinity of the sample in moles/L and i
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Answer:6.94

Explanation:

Molar mass of CaCO3=40+12+16×3

=40+12+48=100g/mol

Moles=mass of substance/molar mass

=97mg/100g=0.097/100=0.00097moles/L.

PH=-log[CaCo3]=-log(0.00097)=6.94

P.s it's log to base e

3 0
3 years ago
Question 1 of 25<br> Which sentence describes energy?
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1 year ago
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3 years ago
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2 years ago
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This is what I found!!! I hope this helps!!!!

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