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3 years ago

Correctly label the parts of the water cycle enter our answer in the space provided and include the question numbers

Chemistry

1 answer:

strojnjashka [21]3 years ago

3 0

The correct matches are:

1 - Evaporation;

This process is caused by the heat of the Sun. Basically, the water turns into gaseous form and because it is very light it goes up into the atmosphere.

2 - Condensation;

Once the water vapor reaches certain heights in the atmosphere, it starts to condensate. This means that the water vapor turns into liquid form again, becoming small drops of water and forming a cloud.

3 - Precipitation;

Once the drops of water are formed, under the influence of the gravity, they start to fall on the surface of the Earth. This is known as precipitation.

4 - Runoff;

Once the water from the precipitation reaches the land, the water moves from the higher toward the lower areas. This is know as runoff.

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A 0.216 g sample of carbon dioxide, CO2, has a volume of 507 mL and a pressure of 470 mmHg. What is the temperature of the gas i

Gala2k [10]

Answer:

The temperature of the gas is 876.69 Kelvin

Explanation:

Ideal gases are a simplification of real gases that is done to study them more easily. It is considered to be formed by point particles, do not interact with each other and move randomly. It is also considered that the molecules of an ideal gas, in themselves, do not occupy any volume.

The pressure, P, the temperature, T, and the volume, V, of an ideal gas, are related by a simple formula called the ideal gas law:

P*V = n*R*T

where P is the gas pressure, V is the volume that occupies, T is its temperature, R is the ideal gas constant, and n is the number of moles of the gas.

In this case:

P= 470 mmHg
V= 570 mL= 0.570 L
n= 0.216 g= 0.0049 moles (being the molar mass of carbon dioxide is 44 g/mole)

R= 62.36367 $\frac{mmHg*L}{mol*K}$

Replacing:

470 mmHg*0.570 L= 0.0049 moles* 62.36367 $\frac{mmHg*L}{mol*K}$ *T

Solving:

$T=\frac{470 mmHg*0.570 L}{0.0049 moles* 62.36367\frac{mmHg*L}{mol*K} }$

T= 876.69 K

The temperature of the gas is 876.69 Kelvin

6 0

3 years ago

Which of the following is the correct name for MgCI?

kupik [55]

Answer:

C - Magnesium Chloride

Explanation:

The metal in a compounds name is always pronounced, and if the last element is a non-metal, the first half of the element is used and the last part is replaced with "ide"

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3 years ago

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Shtirlitz [24]

Answer:

Explanation:

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3 years ago

Why is it important to conserve or save our energy resources?

earnstyle [38]

answer:

reducing energy use limits the number of carbon emissions in the environment
conserving energy produces a higher quality of life. Reduced emissions result in cleaner air quality
it helps create a healthier planet, or at least helps sustain the resources we already have

explanation:

credits: online research

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zysi [14]

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4 years ago