Answer :
13.3 kPa. The ideal gas law is used to calculate the pressure of a gas in a container: PV = nRT
Ideal gas law
Where
P is the pressure,
V is the volume,
n is the number of moles of gas,
R is the ideal gas constant, and
T is the temperature.
We can rearrange the equation to solve for P:
P = (nRT) / V
We are given the
volume (2.00 L),
temperature (50 C), and
mass (10 g).
We can convert the mass to moles using the molar mass of oxygen (O2):
n = 10 g / (32 g/mol) = 0.312 mol
The ideal gas constant is 8.314 J/(mol.K).
We can convert the temperature from Celsius to Kelvin (K), which is done by adding 273.15 to the Celsius temperature:
T = 50 + 273.15 = 323.15 K
We can now plug these values into the ideal gas law:
P = (0.312 mol * 8.314 J/(mol.K) * 323.15 K) / 2.00 L
P = 13.3 kPa
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