Sunday
May 19, 2013

# Posts by angelica

Total # Posts: 98

Chemistry
This might seem silly but in the rxn O^2- + H2O --> 2OH-, can OH- behave as both the conjugate acid and the base?? Or is it one or the other?

Chemistry
Benzene has a vapor pressure of 100.0 Torr at 26°C. A nonvolatile, nonelectrolyte compound was added to 0.309 mol benzene at 26°C and the vapor pressure of the benzene in the solution decreased to 60.0 Torr. What amount (in moles) of solute molecules were added to the ...

Chemistry
But if I cross multiply wouldnt it be .309/100 Torr since the pressure was 100 Torr when moles were .309. Once I solve for n, that is the amount of solute of Benzen--but I need the amount of solute molecules added. So to find that would I just find the difference in the moles ...

Chemistry
Benzene has a vapor pressure of 100.0 Torr at 26°C. A nonvolatile, nonelectrolyte compound was added to 0.309 mol benzene at 26°C and the vapor pressure of the benzene in the solution decreased to 60.0 Torr. What amount (in moles) of solute molecules were added to the...

Chemistry
That is what I tried using...I solved for m for when P= 100 Torr, then used that to set up an equation when P=60 Torr to find the difference, but my answer is consistently incorrect. I am setting up the algebra incorrectly but am not sure what I am missing

Chemistry
Benzene has a vapor pressure of 100.0 Torr at 26°C. A nonvolatile, nonelectrolyte compound was added to 0.309 mol benzene at 26°C and the vapor pressure of the benzene in the solution decreased to 60.0 Torr. What amount (in moles) of solute molecules were added to the ...

Math
Factor completely. Always begin by factoring the GCF. ax(squared)p-8pa-2axp

science
what isthe sun main thing on earth

what is the greatest common factor of this number pair? 24,28 -the answer is 4 what is the least common multiple of this number pair? 27,36 -the answer is 3

biology
hey does prokaryotes cells have cell walls

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