A gas sitting in a 5L container at 12 degrees celcius at 3atm, how many moles do you have?
3 Answers
A bit over half a mole....
Explanation:
We simply solve the Ideal Gas equation...
Explanation:
From ideal gas equation
#PV=nRT#
where:
-
#P# is absolute pressure of gas -
#V# is volume of gas -
#n# is number of moles of gas -
#R=8.314\ \text{J/mole K}# is universal gas constant. -
#T# is absolute temperature of gas
#n=(PV)/(RT)#
Setting the values
-
#P=3\ "atm"=3 xx 101325\ "Pa"# , -
#V=5\ "L"=5 xx 10^{-3}\ "m"^3# -
#R=8.314 \ \text{J/mole K}# -
#T=12^0 "C"=12+273=285\ "K"#
we get, the number of moles
You have
Explanation:
Use the ideal gas law equation:
where:
Known
Unknown
Solution
Rearrange the equation to isolate moles. Plug in the known values and solve.
(rounded to one significant figure)