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? asked in Science & MathematicsChemistry · 1 decade ago

Ideal Gas Law? Finding the constant?

How do I know what the constant is to do the Ideal Gas Law?

My homework problem says:

A sample of 1.00 moles of oxygen at 50(degrees) C and 98.6 kPa occupies what volume?

So far I have the equation:

98.6V=1(R)323

I need to find the constant so I can find the volume? Am I making any sense? How do I find the constant. (Please don't give me the answer.)

2 Answers

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  • Dr.A
    Lv 7
    1 decade ago
    Favorite Answer

    If the pressure is in atm R = 0.08206 atm x dm^3/ mol x K

    98.6 kPa = 98600 Pa

    1 atm = 101325 Pa

    pressure = 0.973 atm

    V = 1.00 x 0.08206 x 323 K/ 0.973 =27.2 L

  • ?
    Lv 4
    4 years ago

    R could have certainly one of those values, and the main common fee is 0.0821 Latm/molK. additionally expressed as... 8.314 LkPa/molK or 8.314 J/molK and sixty two.4 Ltorr/molK PV = nRT R = PV / nT

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