3 years ago

One step in the production of hydraulic power involves _____

Chemistry

1 answer:

eimsori [14]3 years ago

8 0

Answer:

falling water that turns turbines

Explanation:

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timofeeve [1]

The answer you are looking for would be a colliod. Hope this helps have a great day!!

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Which of the following mixtures is not a colloid? gradpo!nt

Effectus [21]

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2 years ago

The target diol is synthesized in one step from 1-methylcyclopentene, but your lab partner exhausted the supply of that alkene.

andrezito [222]

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Explanation:

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The chemical reaction is as follows.

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3 years ago

choose the reaction that illustrates delta H *f for Ca(NO3)2.(A) Ca (s) + N2 (g) + 3O2 ---> Ca(NO3)2 (s)(B) Ca2 (aq) + 2 NO3-

kompoz [17]

<u>Answer:</u> The correct answer is Option A.

<u>Explanation:</u>

Standard enthalpy of formation is the change in enthalpy of one mole of a substance present at the standard state that is 1 atm of pressure and 298 K of temperature. The substance is formed from its pure elements under the same conditions.

We are given a chemical compound having chemical formula $Ca(NO_3)_2$

This compound is formed by the combination of calcium, nitrogen and oxygen elements.

The chemical equation for the formation of $Ca(NO_3)_2$ from the components in their standard states follows:

$Ca+N_2+3O_2\rightarrow Ca(NO_3)_3$

Hence, the correct answer is Option A.

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4 years ago