A 10.0 mL syringe contains 0.10 g of nitrogen gas at 0.0 degrees Celsius. What is the pressure inside the syringe?

Question

Chemistry

Ms. Congeniality

3 March, 19:47

A 10.0 mL syringe contains 0.10 g of nitrogen gas at 0.0 degrees Celsius. What is the pressure inside the syringe?

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Claire Carney · Answer 1

Since the sample inside the syringe is a gas, we assume that it is an ideal gas that is we use the expression PV = nRT. We can easily calculate the pressure as follows:

n = m / MM = 0.10 / 28 = 0.0036 mol

P = nRT / V = 0.0036 (0.08206) (273.15) / 0.010

P = 8 atm