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Answer 1

Answer:

OB) 1.0 atm

Explanation:

we have a mixture of hydrogen, nitrogen and methane and we have the following data

$P_t= 3.0 atm$

$P_H=0.5atm\\P_{CH_4}=1.5 atm\\P_N=?$

According to the law of Dalton the sum of the partial pressures of each gas is equal to the total pressure

Total pressure equation

$P_t=P_H+P_{CH_4}+P_N$

now we clear the partial pressure of nitrogen from the equation

$P_t=P_H+P_{CH_4}+P_N\\P_t-P_H-P_{CH_4}=P_N\\3amt-0.5atm-1.5atm=P_N\\1atm=P_N$

the partial pressure of nitrogen is 1 atm

the correct answer is OB) 1.0 atm

Answer 2

Answer:

1 Atm

Explanation:

Dalton's law

The total pressure is 3 Atm so all you have to do is subtract the other partial pressures from 3