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A solution of benzene (C6H6) and toluene (C7H8) is 25% benzene by mass. The vapor pressure of pure benzene and pure toluene at 25 oC are 94.2 torr and 28.4 torr, respectively. Assuming ideal behavior, calculate each of the following: • (i) The vapor pressure of each component in the mixture. • (ii)The total pressure above the solution • (iii)The composition of the vapor in mass percent.
Rank the following in order of increasing change in the boiling point of water when a solution is made: NaCl, CaCl2, NaOH, HCl. If any of these compounds will have the same effecti use an equal sign. Explain.
consider the reaction 2sosmall2 g osmall2g --gt 2sosmall3g if 96g sosmall2 is added to 2 moles of oxygen at stp
1. compute the change in gibbs free energy for reaction of 2.6 kg of ocean liquid water with the atmosphere nitrogen
The atomic weight of Sm is 150.36 and that of Nd is 144.24. The isotopic percentage abundance of 147Sm is 15.0 and that of 144Nd is 23.954.
given that carbonic acid h2co3 has a pka1 6.37 and a pka2 10.33 please answer a and b below.a. if you wanted to make
What amount of O3 (in moles) is found in a column of atmosphere with a cross-sectional area of 1.00 dm^2 if the abundance is 250Dobson units (a typical mid-latitude value)? In the seasonal Antarctic ozone hole, the column abundance drops below 100..
What is the pH of the solution resulting from the addition of 20 MLK of .0100 M NaOH solution to 30 MLK of .0100 M acetic acid
How many kilojoules are required to heat the nugget from 500 C to 1064 C and convert all the gold to liquid?
A 6.55 g sample of aniline (C6H5NH2) was combusted in a bomb calorimeter. If the temperature rose from 22.25
0.90 g of hydrogen chloride (HCl) is dissolved in water to make 5.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
While all of the following sentences are correct, only one of them correctly defines a meso compound. The others merely express properties that are not unique to meso compounds alone. Which one is the definition
Draw the Lewis dot structure for the following molecules. Use VSEPR theory to predict three-dimensional structure. Then predict whether the molecule is polar or non polar.
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