Asked by Evans

Nitrogen gas has a pressure of 50.5kpa at a temperature of 10°c.calculate its density.
Answered by DrBob222
P*molar mass = density*RT
Keep P and R in the same units. Substitute and solve for density. Post your work if you get stuck.
Answered by Evans
Thanks sir
Answered by Evans
Would it be;

(50.5×14)/(0.082×283)
=30.47

Answered by Evans
I left Pressure@kpa,converted °C to Kelvin , R to be 0.082
Answered by Evans
Am I Correct @Dr.Bob
Answered by DrBob222
no. If you use P in kPa the you use 8.314 for R. Or you can convert P to atm (50.5/101.325) and use 0.08205 for R. And molar mass N2 is 28.
Answered by Evans
Thanks very much sir . God bless
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