Problem 1: A sample of nitrous oxide has a volume of 120 l at 1,500 mm hg and -10C. Calculate its pressure when its volume is compressed to 50 l and its temperature increased to 34C.
Would you kindly verify the below 4 problem solutions below:
Problem 1:
A sample of nitrous oxide has a volume of 120 l at 1,500 mm hg and -10C. Calculate its pressure when its volume is compressed to 50 l and its temperature increased to 34C.
Is my calculation below correct?
1,500mm x 120L x 307K / 263K x 50L = 4202.28mm or 4202mm
Problem 2:
At 27C and 750mm Hg, a sample of hydrogen occupies 5.00L. How much space will it occupy at STP?
Is my calculation below correct?
750mm x 5L x 273K / 300K x 760mm = 4.49L rounded to 4.5L
Problem 3:
The density of hydrogen at STP is 0.09g/l. What is the mass of the sample of hydrogen in problem 2 above (4.49L)
Is my calculation below correct?
4.49L x 0.09 = .4041 or rounded to .40
Problem 4:
If the gas in problem 2 above (4.49L) were Radon instead of Hydrogen, what would its mass be if its density is 9.73g/l at STP?
Thank you
Is my calculation below correct?
9.73g/l x 4.49 = 43.6877 or rounded to 43.69 g/l
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