The air inside a beach ball is at a temperature of 25°C and a pressure of 1.0 atm. If the ball contains 0.85 mol of air, what is its volume?

Name: The air inside a beach ball is at a temperature of 25°C and a pressure of 1.0 atm. If the ball contains 0.85 mol of air, what is its volume?
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Quizplus · Accepted Answer

Using the ideal gas law, PV = nRT, where P = 1.0 atm, n = 0.85 mol, R = 0.0821 L·atm/mol·K, and T = 298 K (25°C + 273), the volume V is approximately 21 L.

The Air Inside a Beach Ball Is at a Temperature