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At 25oC, substance A has a vapour pressure of 20cm Hg and a mole fraction of 0.2 and substance B has a vapour pressure of 110cm Hg. When combined they form an ideal mixture (one that obeys Raolt's Law). What will be the total vapour pressure of a mixture of A and B?
In the left compartment there is nitrogen at 1.0 atm and 25°C; in the right compartment there is oxygen at the same temperature and pressure. Calculate the entropy and Gibbs energy of mixing when the partition is removed. Assume that the gases are..
When trying to separate benzoin and 1,4-dibromobenzene we used hot methanol as the solvent. When the solid had dissolved, it was cooled in an ice bath until precipitate formed and then centrifuged in a craig tube. Would the 1,4-dibromobenzene prec..
the atomic mass of boron is 10.81 gmol. the wo naturally occuring isotopes are b-10 with a mass of 10.0129 amu and b-11
A 4.5-g sample of LiCl at 25 degrees Celsius dissolves in 25.0 mL of water also at 25.0 degrees Celsius. The final equilibrium temperature of the resulting solution is 60.8 degrees Celsius. What is the enthalpy of , H, of LiCl expressed in kilojou..
Does anyone now the balanced equation (including moles for each reactant and product) for 1-pyrrolidino cyclohexene
what type of electronic probe could be used to determine the pressure inside the
Calculate the concentration of a sodium hydroxide solution prepared by dissolving
State condensed structural formulas for all five carbon aldehydes and ketones and the molecular formula is C5H10O
Write the equilibrium constant expression for the reaction : 3A + B 2C 2) Calculate Kc for the above reaction if [A] = 6.1 x 10^(-3) M; [B] = 3.9 x 10^(-1) M; and [C] = 5.0 x 10^(-5) M at equilibrium.
A first order decomposition reaction is observed to have the following rate constants at the indicated temperatures. using an Arrhenious plot, find the activation energy
Write the net ionic equation for the cell and identify which half cell will be cathode A cell constructed with a Ag/Ag+ half-cell and a Cu/Cu+ half cell.
Question- The dipole moment of formaldehyde is approximately 2.3 Debyes, whereas the dipole moment of carbon monoxide is only approximately 0.1 Debyes. Give a brief explanation of this difference
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