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3 years ago

What does unsaturated zone mean?

2 answers:

6 0

The unsaturated zone is the portion of the subsurface above the groundwater table. The soil and rock in this zone contains air as well as water in its pores. ... Unlike the aquifers of the saturated zone below, the unsaturated zone is not a source of readily available water for human consumption

sweet-ann [11.9K]3 years ago

3 0

The unsaturated zone is the area above the water table that carries no water

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Calculate the moles in 8083.8 mL of a gas at STP

atroni [7]

Answer:

8083.8ml x 1 L/1000ml x 1mole/ 24L = 194.01 moles

Explanation:

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3 years ago

What do you call the meetings of two planets/objects as seen from the earth? hurrry ASAP!!!!!

RoseWind [281]

Answer:

It's called "Great conjunction"

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3 years ago

On a clear day at sea level, with a temperature of 25 °C, the partial pressure of N2 in air is 0.78 atm and the concentration of

joja [24]

Answer : The partial pressure of nitrogen gas is, 2.94 atm

Explanation:

According top the Henry's Law, the concentration of a gas in a liquid is directly proportional to the partial pressure of the gas.

$C\propto P$

$C=K_H\times P$

$K_H$ is Henry's constant.

or,

$\frac{C_1}{C_2}=\frac{P_1}{P_2}$

where,

$C_1$ = initial concentration of gas = $5.3\times 10^{-4}M$

$C_2$ = final concentration of gas = $2.0\times 10^{-3}M$

$P_1$ = initial partial pressure of gas = 0.78 atm

$P_2$ = final partial pressure of gas = ?

Now put all the given values in the above formula, we get the final partial pressure of the gas.

$\frac{5.3\times 10^{-4}M}{2.0\times 10^{-3}M}=\frac{0.78atm}{P_2}$

$P_2=2.94atm$

Therefore, the partial pressure of nitrogen gas is, 2.94 atm

5 0

4 years ago

What are the properties of the aluminum in the can

Paul [167]

The properties of aluminium include low density and therefore low weight, high strength, superior malleability, easy machining, excellent corrosion resistance and good thermal and electrical conductivity are amongst aluminium's most important properties. Aluminium is also very easy to recycle.
Hope this helps:D
Have a great rest of a brainly day!

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4 years ago

Brian is testing to see how much water plants need. Why is it important that Brian includes a control group? A) To observe wheth

bija089 [108]

Answer: B or C

Explanation: The question does not include the variable or steps Brian is using so either one could be correct. It has to be the one that he is controlling though. This is because a control group is used to rule out any alternate explanations. Therefore the answer should be the one that he is trying to test out.

7 0

3 years ago