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Compute the vapor pressure of a solution of 0.39 mol of cholesterol in 5.4 mol of toluene at 32 degrees Celsius. Pure toluene has a vapor pressure of 41torr at 32 degrees Celsius. (Presume ideal behavior)
Use the Henderson-Hasselbalch equation to calculate the pH of a solution that is 14.5 g of HF and 23.0 g of NaF in 125 mL of solution.
A mixture of gases contains 0.290 mol CH4, 0.250 mol C2H6, and 0.270 mol C3H8. The total pressure is 1.60 atm. Calculate the partial pressure of the gases.
Diagram the reverse of a dehydration synthesis reaction. Where might you find this type of reaction occurring in the human body. Is it an exothermic or endothermic reaction
certain anesthetic contains nbspcho by 64.9 13.5 21.6 nbspby mass. determine the molecular formula of the compound at
The percent composition by mass of an organic compound is: 32.01%C, 4.03%H, and 63.96%O. if its molarcular mass is 150 amu, what should be its molecular formula
When 1.0g of snack cake is combusted in a constant-pressure bomb calorimeter with a heat capacity (including its water) of 10.0 kj/c, the temperature of the calorimeter rises by 2.24 c. How many nutritional calories (Calories) are in one serving (..
30 mol H2 and .30 mol I2 are mixed in a 1.00L container, and the reaction forms HI. If Kc=.49 for this reaction, what is the equilibrium concentration of HI. I2(g) + H2(g) --- 2HI(g)
an aerated lagoon with a liquid volume of 3000 m3 is designed to accommodate an inlet flow rate of 105 lmin. bod
a soil is 65 saturated with ca cec 10 me100g.nbspa. calculate the lbacre-foot of ca.nbspnbspb. calculate lbs ca in
A 0.01M solution of acid HAS, has a ka=1.6 x 10-10 and a concentration of NaAS of 1.29 x 10-3 molar; (a) what is the pH of this solution and (b) what is the pkb of the conjugate base of HAS
Calculate the composition of air (percent by mass) assuming that it only contains nitrogen and oxygen and behaves like an ideal gas
The molar enthalpy of fusion of solid silicon is 46.4 kJ mol-1, and the molar entropy of fusion is 27.6 J K-1 mol-1.
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