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leva [86]
2 years ago
11

Which is the ratio of the water vapor actually present in the atmosphere to the amount that would be present if the air were sat

urated at the prevailing temperature and pressure?
Chemistry
1 answer:
Harlamova29_29 [7]2 years ago
4 0

Answer:

The ratio of the water vapor actually present in the air to the amount if the air were saturated is called relative humidity.

Explanation:

The relative humidity allows:

  • To measure the actual amount of moisture in the air at a given temperature, and compares it to the maximum amount of moisture the air can hold at the same temperature (saturation conditions of the air at the specific conditions).
  • Also, is allows to give an idea of the comfort that a specific condition gives. This is, because the comfort level under a specific humidity conditions, depends more on relative humidity than in the actual humidity in the air.

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Describe the composition of humus and why it is an effective organic fertilizer.
asambeis [7]

Answer:

Humus, which ranges in colour from brown to black, consists of about 60 percent carbon, 6 percent nitrogen, and smaller amounts of phosphorus and sulfur. As humus decomposes, its components are changed into forms usable by plants.

samira-

5 0
2 years ago
_____ The primary function of molecular membranes is the transport of ions and molecules into and out of cells. The movement of
ale4655 [162]
<h2>Active Transport </h2>

Explanation:

  • A cell uses energy for the movement of substances against a concentration gradient or an electrochemical gradient that maintains a balanced concentration of ions and molecules in living cells.
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5 0
3 years ago
The molecular mass of sodium oxide (Na2O) is
yuradex [85]
<span>The molecular mass of sodium oxide (Na2O) is A. 61.97894. The molecular mass of a molecule (Mr) is the sum of atomic masses of its atoms (Ar). The molecular mass of sodium oxide is: Mr(Na2O) = 2 * Ar (Na) + Ar(O). From the periodic table, Ar(Na) = 22.989769 and Ar(O) = 15.9994. The molecular mass of sodium oxide is: Mr(Na2O) = 2 * 22.989769 + 15.9994 = 45.979538 + 15.9994 = 61.97894.</span>
6 0
3 years ago
76/304=81/k what is K and show work plez
siniylev [52]
You can cross multiply and then get k alone so it would look like this:
76         81    
-----  =   ------    =  76k= 24624
304        k            -----  -----------  =      k  =  324
                             76        76


so k is equal to 324

hope this helps have a nice day
4 0
3 years ago
Is oxygen an element?
laiz [17]
Yes oxygen is an element it is
the 8th element 
the second period
16th group
noble gas configuration [He]2s^22p^4
7 0
3 years ago
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