The Ideal Gas Law Answers
A balloon containing helium gas expands from 230 mL to 860 mL as more helium is added. What was the initial quantity of helium present if the expanded balloon contains 3.8 × 10 mol, assuming constant temperature and pressure?Use the formula:
Temperature is .
Volume is .
Moles are .
Use your understanding of the ideal gas law to identify the correct relationships among the variables. Pressure is .
Identify the ideal gas law equation.
How many moles of oxygen must be placed in a 3.00 L container to exert a pressure of 2.00 atm at 25.0°C?Formula: PV = nRT(R = 0.0821 Latm/molK) Which variables are given?
Which variables are unknown?
Select the correct algebraic form for the equation to be used for this calculation.
A sample of gas contains 6.25 × 10-3 mol in a 500.0 mL flask at 265°C. What is the pressure of the gas in kilopascals?Formula: PV = nRT(R = 8.31 LkPa/molK)Which variables are given?
Which variables are unknown?
Select the correct algebraic form for the equation to be used for this calculation.
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