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Given the tabulated data, what is the lattice energy of crystalline calcium chloride?
heat of sublimation for calcium +178 kJ/mol
first ionization energy for calcium +590 kJ/mol
second ionization energy for calcium +1145 kJ/mol
heat of dissociation for chlorine +122 kJ/mol(Cl)
electron affinity for chlorine -349 kJ/mol
heat of formation for calcium chloride -796 kJ/mol
You are studying an enzyme that has a catalytic efficiency of 7x10^7M-1s-1. Knowing that the Km=2.50µM and how much enzyme did you use to obtain a maximum velocity of 2520 µM/min
Compute the enthalpy change, , for this reaction per mole of (Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 and 1.00 ] )
How many grams of aluminum must be used to produce 5.00 grams of hydrogen gas?
A very long insulating cylindrical shell of radius 6.70cm carries charge of linear density 8.60Nc spread uniformly over its outer surface.
When a 2.691 g sample of the unknown organic compound is vaporized at 90.0(degrees)C and 708. mmHg it is found to occupy a volume of 1.00L.
Fumaric acid, a diastereomer of maleic acid, requires a much higher temperature before it dehydrates; when it does, it also yields maleic anhydride.
Write the balanced equation for the complete combustion of each of the following compounds
determine the freezing point depression, delta Tf, for the ionic solution. b. determine m effective for ionic solution. c. determine the van't Hoff factor, i, for the ionic compound.
A stream of air (21% O2 m, the rest N2) flowing at a rate of 10.0 kg/h is to be mixed with a stream of CO2 inside a mixer. The CO2 enters the mixer at a rate of 20.0 m/h at 150 ?C and 1.5 bar. What is the mole percent of CO2 in the product stream
What is the equivalent weight of (MnO4). How many equivalents of electrons were delivered to the unknown soln
Given K=6.45x10^5 for 2NO(g)+O2(g)=2NO(g) at 500K, what concentration of oxygen would be needed to maintain equilibrium in a system where NO and NO2 are known to be at equal concentrations.
Why is it extremely dangerous to attempt to carry out a distillation in a completely closed apparatus
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