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shepuryov [24]
2 years ago
13

Which factor is a major contributor to outdoor air pollution?.

Chemistry
1 answer:
Anni [7]2 years ago
6 0
Outdoor pollution primarily results from the combustion of fossil fuels by industrial plants and vehicles. This releases carbon monoxide, sulfur dioxide, particulate matter, nitrogen oxides, hydrocarbons and other pollutants.
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A solution of methanol and water has a mole fraction of water of 0.312 and a total vapor pressure of 211 torr at 39.9∘C. The vap
DaniilM [7]

Answer : This is not an ideal mixture.

Explanation :

Using Raoult's law :

P_{Mixture}=p_{CH_3OH}+p_{H_2O}\\\\P_{Mixture}=x_{CH_3OH}\times p^o_{CH_3OH}+x_{H_2O}\times p^o_{H_2O}

where,

P_{Mixture} = total vapor pressure of mixture

p^o_{CH_3OH} = vapor pressure of pure methanol = 256 torr

p^o_{H_2O} = vapor pressure of pure water = 55.3 torr

x_{H_2O} = mole fraction of water = 0.312  

x_{CH_3OH} = mole fraction of methanol = 1 - 0.312 = 0.688

Now put all the given values in the above formula, we get:

P_{Mixture}=x_{CH_3OH}\times p^o_{CH_3OH}+x_{H_2O}\times p^o_{H_2O}

P_{Mixture}=0.688\times 256torr+0.312\times 55.3torr

P_{Mixture}=193.4torr

From this we conclude that the total vapor pressure of mixture is less than the total given vapor pressure of 211 torr. That means, the interactions between the methanol and water would be weaker than those between the individual substances. So, this is not an ideal mixture.

Hence, this is not an ideal mixture.

3 0
3 years ago
What is chemical reaction for xA->(A)x
Yakvenalex [24]

Answer :a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.

Explanation:

8 0
3 years ago
When aluminum is mixed with iron ii oxide iron metal and aluminum oxide?
Alexandra [31]
Are produced along with a large quantitu of heat
6 0
3 years ago
What percentage of silty clay loam is slit?
Serggg [28]

Answer:

sicl - Silty clay loam: 27 to 40 percent clay and less than 20 percent sand. sc - Sandy clay: 35 percent or more clay and 45 percent or more sand. sic - Silty clay: 40 percent or more clay and 40 percent or more silt. c - Clay: 40 percent or more clay, less than 45 percent sand, and less than 40 percent silt.

I hope that helps somewhat, sorry

6 0
4 years ago
Would you classify a fruit, like an apple, as a cell, tissue, organ, or organ system?
Dahasolnce [82]
I would choose organ system
5 0
3 years ago
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