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What is the bubble point temperature of an equimolar mixture of n-hexane and n-heptane at 1.0 atm. What is the composition of the vapor in the bubble? What is the dew point temperature of a gas mixture that is 30% n-hexane, 30% in-heptane, and 40% air at 1 atm? What is the composition of the first "drop"?
The specific heat of silver is .24 j/g. How many joules of energy are need to warm 4.37g from 25 to 27.5 ?
The equilibrium constant Kc for the decomposition of phosgene, COCl2, is 4.63 x 10^-3 at 527 deg. C
The reaction of 2,2-dimethyl-1-propanol with HBr is very slow and gives 2-bromo-2-methyl-propane as the major product.
Calculate the molar mass of an unknown molecular compound mixed with solid camphor, C10H6O, heated and then cooled giving the following data. Show all steps in calculation.
A solution is prepared by adding some solid CaF2 to water and allowing the solid to come to equilibrium with the solution. The equilibrium constant for the reaction below is Kc = 3.9x10-11.
What will be the final temperature of a mixture made from equal masses of water at 24.1 C, ethanol at 37.3 C, and iron at 93.3 C? The specific heat capacities of each are: 0.449J/g C (Fe), 4.18J/g C(Water), and 2.42 J/g C (ethanol).
butanoic acid and 0.01 M NaCl. The ionization constant of butanoic acid is Ka = 1.52 × 10-5. Take the size of C3H7COO- to be 500 pm.
ice melts at 273.15K with delta H fusion = 6.01 kJ/mol. if the ice mass is 13.8 kg in a swimming pool whose temperature is held at 22.5 degree Celsius. What is the entropy change for melting the ice?
Solid ammonium nitrate (NH4NO3) and solid calcium chloride were placed in water and the mixture was stirred. What is the precipitate?
600.0 mL of 0.240 M perchloric acid, HClO4(aq) was added to a high quality constant-pressure calorimeter containing 400.0 mL of 0.300 M KOH(aq). Both solutions have a density of 1.000 g mL-1 and a specific heat of 4.184 J g-1°C-1.
Give a detailed explanation why SN1 mechanisms are not stereospecific but SN2 mechanisms are very stereospecific causing
What is the pH of a solution made by mixing 3.30 mL of 0.0045 molar Sr(OH)2 with 8.70 mL of 0.0011 molar Sr(OH)2 solution?
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