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Plot boiling point (BP) (y-axis) versus molecular weight (MW) (x-axis) for the first four compounds listed in the table below.
compound BP © MW
Dimethyl ether -24 46
Carbon disulfide 46 76
n-Hexane 69 86
n-heptane 98 100
water 100 18
Ethanol 80 46
Why Water and Ethanol are not on a straight line like the other substances?
What volumes of CO2 and NH3 at 201 atm and 450.°C are needed to produce 2.54 kg of urea, assuming the reaction goes to completion?
With two dice, each numbered 1-6, there are two possible ways to roll a 3: Thus, for the outcome of 3 (a particular macrostate) there are 2 microstates. How many possible ways are there to roll a 6? What is the entropy associated with an outcome o..
write net equations for the acid-base reactions that occur when the given aqueous solutions are mixed. Determine the value of the equilibrium constant. Use single arrows for the extensive reactions (K>1000) but double arrows otherwise.
Some athletes have as little as 3.00 body fat. If such a person has a body mass of 45.0 , how many of body fat does that person have
Which of the following ideal aqueous solutions would be predicted to have the highest boiling point
Silver chloride, often used in silver plating, contains 75.27% Ag.Calculate the mass of silver chloride in grams required to make 6.0 g of silver plating.
What should the mole percent of oxygen be in the diving gas for the partial pressure of oxygen in the mixture to be 0.21 atm, the same as in air at 1 atm
The bond energies are: C H 416 kJ/mol; C C 356 kJ/mol; C C 598 kJ/mol; O O 498 kJ/mol; C O 803 kJ/mol; H O 467 kJ/mol.determine the heat of combustion of ethylene ?
How might you use 13C NMR spectroscopy to determine if the brominated product is contaminated with some unreacted starting material (during the bromination of trans-cinnamic acid)
Octane (C8H18) undergoes combustion according to the following thermochemical equation: 2C8H18(l) + 25O2(g) ? 16CO2(g) + 18H2O(l) ?H°rxn = -11,020 kJ/mol. Given that ?H°f[CO2(g)] = -393.5 kJ/mol
a voltaic cell consists of mnmn2 and cdcd2 half-cells with the following initial concentrations mn2 0.090 m cd2 0.060
Find the theoretical yield for the following synthesis of ferrocene. 2KOH + 2C5H6 + FeCl2(H2O)4 --> Fe(C5H5)2 + 2KCl + 6H2O 25gKOH are in the reaction 5.5 mL C5H6 are used in the reaction
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