# Yahoo Web Search

1. ### Chemistry . What does STP stand for? How do you do these?

STP means standard temperature and Pressure, which is 1 atm and 273K (0 degrees C) for... P= pressure = 1 atm V= volume ( what you're finding) n= # of moles ( which...

4 Answers · Science & Mathematics · 14/03/2010

2. ### a sample of gas at 0.830atm and 25.0 degrees C has a volume of 2.00L. what would its volume be at STP ?

STP is standard temperature & pressure. we solve it using P1*V1/T1 =P2*V2/T2

1 Answers · Science & Mathematics · 26/05/2011

3. ### the conditions of STP are defined as what ?

...14.696 psi, 1 atm). Many chemistry textbooks (older ...15 Kelvin) and 1 atmosphere as STP conditions. If you... 22.4 L", the textbook is using 0 deg C and 1...

2 Answers · Science & Mathematics · 27/10/2013

4. ### chemistry ?? please... :(?

use the ideal gas law: pv=nrt assuming r= 0.08206 (L*atm)/(mol*K) and STP is 273 k, and 1 atm 1 atm * v = 8.109 mols * 0.08206 * 273 v= 181.66 = 181.7 L N2O5 (sig figs)

3 Answers · Science & Mathematics · 13/04/2012

5. ### Mass of Hydrogen.....?

First of all you should note that STP is 1 atm and 237 K and that 1 mole of any gas at STP occupies...

2 Answers · Science & Mathematics · 04/01/2010

6. ### What is the density of PF3 at STP ?

According to the CRC Handbook of Chemistry & Physics, the density of PF3 is 3.907 grams/liter. Let's see if we can match that answer: ...

1 Answers · Science & Mathematics · 07/02/2009

7. ### Homework chemistry help?

What will be the new volume of a gas at stp if it occupies 34 ml at 40 c and 100 kpa? P1V1 / T1...

1 Answers · Science & Mathematics · 05/05/2013

8. ### Chemistry Help? Oxygen has a density of 1.43g/L at STP . What is the density of oxygen at 1.30 atm?

...30 atm) = 0.769 L (to 3 s.f.). Since the density of O2 at STP is 1.43 g/L, 1 L of O2 gas at STP has mass 1...

1 Answers · Science & Mathematics · 07/05/2012

9. ### One more Chemistry question!?

...from 760 mmHg to 900 mmHg. The balloon was originally at STP . What is the temperature of the hot air balloon at the new pressure?". MY ANSWER...

1 Answers · Science & Mathematics · 08/06/2009

10. ### Standard Molar Entropy of O2 and Fe3O4?

The NIST Chemistry WEbBook lists... defines STP as 293.15K and 1 atm... though the Cp data are only given for ...

2 Answers · Science & Mathematics · 24/03/2009