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1. ### How do you find the density of 2 oxygens or O2 at STP?

At STP, all ideal gases occupy... 22.4 Liters/mole One mole of...

1 Answers · Science & Mathematics · 11/07/2008

2. ### What volume would be occupied at STP conditions by 2 moles of Radioactive Kr-85 gas? What would be the mass of?

@ STP 1 mole occupies 22.4 L 2 moles= 44.8 L mole= mass/molec. wt. 2= mass/85 mass= 170 g

1 Answers · Science & Mathematics · 01/02/2014

3. ### 15L of a gas at stp is heated to 273 deg c. if the pressure is increased to 152?

At STP: P = 100 kPa and T = 0 C PV/T = PV...

2 Answers · Science & Mathematics · 20/08/2013

4. ### 0.56g of gas occupies 280cm3 at STP what will be its molecular mass?

at STP, 1mole of gas occupies 22.4 litres. and the weight of 1 mole of gas...

1 Answers · Science & Mathematics · 28/06/2012

5. ### what is the density of C02 gas at STP?

1) You are looking for the density of CO2 at STP 2) I use equation '1 mol gas at STP = 22.4L volume 3) ...

2 Answers · Science & Mathematics · 16/01/2013

6. ### At STP, what is the densest gas known?

... than Radon (298 vs 222 gm/mole) and it is a gas at STP (boils at 17 C) WF6 is used in the semiconductor...

4 Answers · Science & Mathematics · 07/07/2008

7. ### Help with Physics Problem at STP.?

... you have one mole of oxygen, so it would have a volume of 22.4 L at STP. Now you need to find its mass. If there is one mole then...

2 Answers · Science & Mathematics · 24/06/2009

8. ### How many kilograms of carbon dioxide (CO2) are in a fixed container of size .25m^3 at STP?

At STP one mole of CO2 has a volume of 22.4l which weighs 44 ...

1 Answers · Science & Mathematics · 14/04/2008

9. ### If 3.00 m^3 of a gas initially at STP is placed under a pressure of 3.00 atm, the temperature of the gas rises?

At STP temperature is 25C= 298.15K Temperature 34C...

2 Answers · Science & Mathematics · 28/12/2009

10. ### At STP 2.5 g of an unknown gas has a volume of 0.850 L. What is the molar mass of the gas?

PV=nRT P=1 atm(STP) V= 0.85 L n= ? R= 0.821 (constant) T= 273 K(STP) (1)(.85) = n(.0821)(273) n=26.4 convert to g/mole 26.4*2.5 = 66 g/mole

1 Answers · Science & Mathematics · 22/04/2009