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1. ### Finding the Speed of Light in specific mediums?

...460 Refractive indices Acetone 1.36 Air at STP 1.00029 Alcohol, Ethyl (grain) 1.36 Alcohol, Methyl...

1 Answers · Science & Mathematics · 28/01/2014

2. ### Easy physics 12 problem.... Type A..Thermodynamics??!! ASAP?

P1V1/T1 = P2V2/T2 STP = 1atm and 273K 1*3/273 = 4*V2/311 0.010989 = 0.012862V2 V2 = 0.010989/0.012862 = 0.854 m^3

1 Answers · Science & Mathematics · 22/11/2013

3. ### The total mass of the hydrogen gas in the Hindenburg zeppelin was 18,000 kg. What volume did the hydrogen occu?

... it is not possible to give a volume. However, you could assume STP but that is pretty cold, so NTP [room temp = 20C and one atm] where...

1 Answers · Science & Mathematics · 31/10/2013

4. ### Determining how long it would take one molecule to move into the region occupied by another? HELP?

time = distance / velocity .....

1 Answers · Science & Mathematics · 30/07/2011

5. ### Estimate the number of neon atoms having speeds in the range from 200 m/s to 202 m/s?

Try to use the Maxwell-Boltzmann Distribution of molecules: ∆N = [2π/(πkT)^3/2] (Ne^-E/kT)∆E√E N = 1 mole = 6x10^23 atoms Boltzmann constant: k = 1.38x10^-23...

1 Answers · Science & Mathematics · 03/10/2012

6. ### Why is the pressure at SATP, 100 kPa, less than STP, 101.325 kPa?

STP is atmospheric pressure and zero celsius temperature. The reason why we use it...

3 Answers · Science & Mathematics · 22/12/2010

7. ### If a 100 kg swimmer drops in a pool, how far down will he go?

Does he go vertically, does he belly flop, does he scrunch up as in a cannonball, or does he point his toes, keep his legs together, etc. so as to minimize drag? Or are we assuming he is 2 meter cylinder of the same overall density as a 100kg man...

1 Answers · Science & Mathematics · 26/08/2008

8. ### explain what happens to atmospheric pressure as u go up a mountain, as compared to a valley.?

... the sense check because atmospheric pressure at ground level is STP and deep in space is zero. So you have to decrease pressure to get to zero...

3 Answers · Science & Mathematics · 25/06/2008

9. ### How do I measure air?

...bottle. If it's at atmospheric pressure, then use the fact that 1 mole of gas at STP is 22.4 Liters. If it's not at STP, there ...

5 Answers · Science & Mathematics · 15/12/2007

10. ### ideal gas law?

...mole of ideal gas at Standard Temperature and Pressure (STP)? For gas calculations R = 0.082 (L atm)/(mol K...

1 Answers · Science & Mathematics · 03/11/2007