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marieminnerly1628
22.07.2019 •
Chemistry
Which of the following is an example of anaerobic respiration? plant roots respiring in soil respiring while swimming underwater oxygen diffusing into a plant cell through stomata breaking down of glucose with oxygen inside an animal cell
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Ответ:
D
Explanation:
think about it its d i did the test and the answer was right!
Ответ:
1.25 cm/day
Explanation:
An air thickness , (l) = 0.15 cm
Air Temperature =
Mass Diffusion coefficient (D) =![0.25cm^2/sec](/tpl/images/0546/6104/d0a5b.png)
If the air pressure![(P_a) = 0.5 P_{sat}](/tpl/images/0546/6104/ade40.png)
We are to determine how fast will the water
level drop in a day.
From the property of air at T = 20° C
The mass flow of
can be calculated as:
where:
R(constant) = 8.314 kJ/mol.K
Since 1 mole = 18 cm ³ of water
Again:
Converting the above value to cm/day: we have:
= 1.25 cm/day
∴ the rate at which the water level drop in a day = 1.25 cm/day