3 years ago

The graph shows Mississippi’s electrical generation using various sources of energy for May 2013.

Chemistry

2 answers:

Nata [24]3 years ago

8 0

I think The answer is a .

Tresset [83]3 years ago

7 0

The answer is A, coal.

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Chlorofluorocarbons such as CCl2F and CCI,F, have been linked to ozone depletion in Antarctica. In 1994, these gases were found

Ilya [14]

Answer:

a) molarity of CCl3F = 1.12 × 10^-11 mol/dm³

Molarity of CCl2F2 = 2.20 × 10^-11 mol/dm³

B) molarity of CCL3F = 7.96 × 10 ^-13 mol/dm³

Molarity of CCl2F2 = 1.55 × 10^-12 mol/dm³

Explanation:

Using the ideal gas equation:

PV = nRT

Further explanations are found in the attachment below.

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4 years ago

What is one factor that contributes to seasons occurring on earth

Natalka [10]

Answer:

The tilt of the earth

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3 years ago

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Solid Al(NO3)3 is added to distilled water to produce a solution in which the concentration on nitrate, [NO3^-], is 0.10 M. What

VikaD [51]

Answer:

The concentration of nitrate ion $NO_{3}^{-}$ is 0.033 M.

Explanation:

$Al(NO_{3})_{3} \rightarrow Al^{3+} + NO_{3}^{-}$

1 mole of $[Al^{3+}]$ = 3 mole $NO_{3}^{-}$

Let $[NO_{3}^{-}]$ = 3y

then according to above reaction,

$[Al^{3+}]$ = y

$[NO_{3}^{-}]$ = 0.10 M (given)

$[Al^{3+}]$ = ?

3y = 0.10 M

$y = \frac{0.1}{3}$

y = 0.033 M

So ,concentration of $[Al^{3+}]$ = y = 0.033 M

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3 years ago

Which salt is formed by the reaction between hydrochloric acid and sodium hydroxide, write with chemical equation. .

stepan [7]

Answer:

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Explain what is meant by water quality

katovenus [111]

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a measure of the suitability of water for a particular use based on selected physical, chemical, and biological characteristics.

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2 years ago

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