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3 years ago

Which is an effect of the ozone depletion over Antarctica?

Chemistry

1 answer:

Crank3 years ago

6 0

Answer:

Probably D (extensive DNA damage in the eggs...), maybe E (all of the above)

Explanation:

I'm looking for the answer myself becasue I'm not sure, but I'd probably go with D.

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As a scuba diver descends under water, the pressure increases. At a total air pressure of 2.71 atm and a temperature of 25.0 C,

Semenov [28]

Answer:

$1.32\times 10^{-3} mol/L$ is the solubility of nitrogen gas in a diver's blood.

Explanation:

Henry's law states that the amount of gas dissolved or molar solubility of gas is directly proportional to the partial pressure of the liquid.

To calculate the molar solubility, we use the equation given by Henry's law, which is:

$C_{N_2}=K_H\times p_{liquid}$

where,

$K_H$ = Henry's constant = $6.26 \times 10^{-4}mol/L.atm$

$p_{N_2}$ = partial pressure of nitrogen

$p_{N_2}= P\times \chi_{N_2}$ (Raoult's law)

$=2.71 atm\times 0.78=2.1138 atm$

$C_{N_2}=6.26 \times 10^{-4}mol/L.atm\times 2.1138 atm$

$C_{N_2}=1.32\times 10^{-3} mol/L$

$1.32\times 10^{-3} mol/L$ is the solubility of nitrogen gas in a diver's blood.

3 0

3 years ago

Which of the following would remain a liquid longer as temperature continues to drop?

viktelen [127]

I just took a test with this question and got the answer wrong for saying ethane. The correct answer is propane.

3 0

2 years ago

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The process of blank is when two atoms combine together form a larger atom releasing energy

Bogdan [553]

NUCLEAR FUSION :):):):)

3 0

2 years ago

If a 0.10 M solution of a colored substance has a maximum absorbance at 500 nm and an absorbance of 0.26 M at this wavelength, w

Mashcka [7]

Absorbance is related to the concentration of a substance using the Beer-Lambert's Law. According to this law, absorbance is linearly related to concentration. However, this is only true up to a certain concentration depending on the substance. For this case, we assume that the said law is applicable.

A = kC
Using the first conditions, ewe solve for k.
0.26 = k (0.10)
k = 2.6

A = kC
A = 2.6 (0.20) = 0.52

Therefore, the absorbance at a concentration of 0.20 M and wavelength of 500nm is 0.52.

7 0

2 years ago

Over 100 existing elements are listed and classified on the ____________________.

Nadusha1986 [10]

The answer is Periodic table

3 0

3 years ago

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