The Ideal Gas Law Derivations Video Lessons

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Problem: The pressure inside a hydrogen-filled container was 2.10 atm at 21 °C. What would the pressure be if the container was heated to 98 °C?Express your answer with the appropriate units.The ideal gas law (PV = nRT) describes the relationship among pressure P, volume V, temperature T, and molar amount n. When n and V are fixed, the equation can be rearranged to take the following form where k is a constant:PT=nRV=k          or          (PT)initial=(PT)finalWhen n and P are fixed, the expression becomesVT=nRP=k          or          (VT)initial=(VT)final

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Problem Details

The pressure inside a hydrogen-filled container was 2.10 atm at 21 °C. What would the pressure be if the container was heated to 98 °C?

Express your answer with the appropriate units.


The ideal gas law (PV = nRT) describes the relationship among pressure P, volume V, temperature T, and molar amount n. When n and V are fixed, the equation can be rearranged to take the following form where k is a constant:

PT=nRV=k          or          (PT)initial=(PT)final

When n and P are fixed, the expression becomes

VT=nRP=k          or          (VT)initial=(VT)final

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