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... increase in weight is the weight of that extra gas. Which, at

**STP**, would have a volume equal to the volume of the box itself.3 Answers · Science & Mathematics · 28/04/2014

...67c) PS speed of light in a vacuum = c. n for a vacuum = c/c = 1 n for air at

**STP**= 1.0002772 Answers · Science & Mathematics · 13/04/2014

...volume) and that they are filled with a lighter gas than air at

**STP**(say Helium). A spherical balloon of diameter D will have volume 1...1 Answers · Science & Mathematics · 29/03/2014

rho = absolute pressure / ( 287.058 * 273) = 101.325 / 287.058 * 273 = 0.00129295768 Air @

**STP**= 1.2754 kg.m^3 So answer is: 1.292957 / 1.2754 = 1.0137664117626431701973288290205 cubic meters1 Answers · Science & Mathematics · 16/03/2014

density of hydrogen at

**stp**is ρ = 0.0899 kg/m³ V = m / ρ V = 18000 / 0.0899 V = 200(10³) m³3 Answers · Science & Mathematics · 21/02/2014

...of 227 L of air (in this case, pure N2, molar mass = 28.013 g/mol) at

**STP**PV = nRT n = PV / RT = (1 atm)(227 L) / (0.0821...4 Answers · Science & Mathematics · 04/02/2014

### What is the total force on the bottom of a swimming pool 21.5m by 6.8m whose uniform depth is 1.9m ?

...fresh water = 1,000kg/m^3. G figure used = 9.8. Air pressure at

**STP**= 101,325Pa.1 Answers · Science & Mathematics · 01/02/2014

@

**STP**1 mole occupies 22.4 L 2 moles= 44.8 L mole= mass/molec. wt. 2= mass/85 mass= 170 g1 Answers · Science & Mathematics · 01/02/2014

(3.50 m^3) x (1.00 atm / 4.80 atm) x ((48.0 + 273 K) / 273 K) = 0.857 m^3

1 Answers · Science & Mathematics · 16/12/2013

At

**STP**CO occupies 22.414 L/mol. CO has a molar mass of 28.01021 g/mol. (28.01021 g/mol) / (22.414 L/mol) = 1.2497 g/L1 Answers · Science & Mathematics · 11/12/2013

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