## Partial Pressure question... (should be easy to answer)

1. The problem statement, all variables and given/known data

if you have an equation such as H2+2O2=2HNO2 and you know the partial pressure of H2 is .5 and the partial pressure of O2 is .3, does that mean that the partial pressure of 2HNO2 is .8?

2. Relevant equations

3. The attempt at a solution

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 Recognitions: Homework Help Perhaps look at: http://en.wikipedia.org/wiki/Partial...tial_pressures Just curious however where the N is coming from in your reaction?
 If the partial pressures are expressed as fractions of the total pressure, then the sum cannot be more than 1. You have all gasses in the same container, right? Both reactants and products. So the product cannot have 0.8 if you already have 0.5 and 0.3. But first you need to answer the question asked by LowlyPion, anyway.