A gas sample occupies 8.77 L at 20 degrees Celsius. What is the pressure in atm, given that there are 1.45 moles of gas in the sample?

3.88 atm  is the pressure in atm, given that there are 1.45 moles of gas in the sample.

Explanation:

Given that:

Volume of the gas sample V = 8.77 litres

temperature of the gas sample T = 20 degrees OR 293.15 K

number of moles of the gas = 1.45

R (Gas constant) = 0.08021 L.atm/mole K

Pressure of the gas = ?

The equation for ideal gas will be used here to calculate the pressure of the gas:

PV = nRT

the equation is rewritten as:

P=

P =

P = 3.88 atm

1.45 moles of the gas at given conditions would have pressure of  3.88 atm.

it would be a gas formation

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