Friday
December 13, 2013

Total # Posts: 73

Chemistry
Ok, so how then do I figure out the expected moles for N2 at the end of the equation. Is it that because of the 1:1 ratio that the .0073 mol of NaNO2 are the same for the N2 gas?

Chemistry
In the lab experiment (Ideal Gas Behaviour) we were told to calculate the Molar voume of N2 gas using the equation - vol N2 @STP/ mol N2 produced. The mol of N2 produced were found using the equation PV=nRT where P = Net pressure of N2 alone = 744.11 (tot pressure - vapour pre...

Chemistry
In the Formula... Na+ + NO2- + HSO3NH2 -> HSO4- + H2O + N2 + Na+ which I know has a 1:1 ratio, How do I figure out the Moles of N2 gas expected. Molar volume = 24.627 L/mol Moles of N2 produced = .0067 mol Volume of N2 gas of STP = .165 L Original used .5062g of NaNO2 to pr...

accounting
thank u so much

Algebra-HELP
Thank you!!

Algebra-HELP
well i know the x-intercept is (3,-2) but i can seem to understand y intercept. I thought it would be (0,0) but it was wrong

Algebra-HELP
Find the x and y intercepts of f(x)=x^2-x-6.

physics
h=100m t=200/9.8= 20.408 sec.

math
Reasoning DOES (4+5)+2=9+2?Explanin.

math
Reasoning DOES (4+5)+2=9+2?Explanin.

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