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Maksim231197 [3]
2 years ago
14

I need help click the image please help

Chemistry
1 answer:
Viefleur [7K]2 years ago
6 0

Answer:

Answer:

a plant cell

Explanation:

because the chrolopast is green

Explanation:

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a 108ml sampl of gas has a mass of 77.96mg at a pressure of 1140mmhg and temperature of 183°c .what is the molar mass of the gas
madam [21]

Answer:

146.85 g/mol

Explanation:

PV=nRT

n=mass/molar mass

covert from mmhg to atm = 0.184 atm

convert from ml to L= 0.108 L

convert from degree C to K= 456.15 K

convert from mg to g= 0.07796g

then rearrange the formula:

n=PV/RT

=(0.184)(0.108)/(0.08206)(456.15)

n= 5.308*10^(-4)

rearrange the n formula interms of molar mass:

Molar mass= mass/n

=0.07796/(5.308*10^-4)

molar mass= 146.85g/mol

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3 years ago
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A fan pulls in air from the surrounding area, which typically has high moisture levels.

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KMnO4<br><br> Assign oxidation numbers to each element in this compound.
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