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DochEvi [55]
3 years ago
14

A vector always consists of

Chemistry
1 answer:
bija089 [108]3 years ago
7 0
Hope this helps <span>A vector always consists of a direction and magnitude. F</span>
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Copper(II) sulfate forms a bright blue hydrate with the formula CuSO 4 ⋅ n H 2 O ( s ) . If this hydrate is heated to a high eno
Arada [10]

Answer:

The value of n in the hydrate formula is 5 ,CuSO_4.5H_2O.

Explanation:

CuSO_4.nH_2O\rightarrow CuSO_4+nH_2O

Mass of hydrate of copper sulfate = 14.220 g

Moles of hydrate of copper sulfate =\frac{14.220 g}{(159.5+n\times 18) g/mol}

Mass of copper sulfate after heating = 8.9935 g

Moles of copper sulfate = \frac{8.9935 g}{159.5 g/mol}

\frac{14.220 g}{(159.5+n\times 18) g/mol}=\frac{8.9935 g}{159.5 g/mol}

Solving for n, we get:

n = 5

The value of n in the hydrate formula is 5 ,CuSO_4.5H_2O.

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3 years ago
The author of Space Systems: All About Eclipses makes the point that seeing a total solar eclipse is rare. How does the author u
Ilia_Sergeevich [38]

Answer:

<h3>A.</h3>

Explanation:

If A does not work, please use the alteritive choice, which is D!

が機能しない場合は、別の選択肢であるDを使用してください。 ^ 3 ^

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3 years ago
What human made mechanisms are responsible for increasing the rate of global warming??
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Cars, aeroplanes, factories etc
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I need help with this question plz ASAP
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Answer:

D

Explanation:

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What causes water to become denser when it is carried to the poles by surface currents? increased temperature and increased sali
Anarel [89]

Answer:

The answer is decreased temperature and increased salinity

Explanation:

It is what is known as the thermohaline circulation

The thermohaline circulation moves the water slowly. This water moves mainly due to differences in its relative density. Much denser water sinks over water that is less dense. Two factors impact the density of seawater: temperature and salinity.

Cold water is denser than hot water:

-Water cools when it loses heat, it occurs at high latitudes.

-Water is heated when it receives energy from the sun, at low latitudes.

Saltier water is much denser than water that has less salt:

-Sea water becomes salty if the evaporation rate increases.

-Sea water becomes less salty if there is a water inlet over the sea.

3 0
3 years ago
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