The rate of effusion of a particular gas was measured and found to be 24.0 mL/min. Under the same conditions, the rate of effusi
on of pure methane (CH4) gas is 47.8 mL/min. What is the molar mass of the unknown gas?
1 answer:
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Answer:
0.4675 atm, 355.3 mmHg
Explanation:
Given:
Pressure = 355.3 torr
The conversion of P(torr) to P(atm) is shown below:
So,
Pressure = 355.3 / 760 atm = 0.4675 atm
The conversion of P(torr) to P(mmHg) is shown below:
So,
Pressure = 355.3 mmHg
Explanation:
Given a food with a relative humidity of 81%, what is the water activity of that food?
The water activity of a food can be determined by using the formula:
water activity=relative humidity of food / 100