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The saturated vapor pressure of mercury is 0.0020 mmHg at 300 K and the density of air at 300 K is 1,18 g L^-1. (a) Calculate the concentration of mercury vapor in air in mil L^-1. (b) What is the number of parts per million (ppm) by mass of mercury in air?
Is Chloride ion or water a stronger ligand? explain. is water or ammonia a stronger ligand? explain
Compute the pressure (in atmospheres) Using the van der Waals equation, exerted by water(H2O) of 23.93 grams at 36.11 degree celsius in a 1.00 Litre container.
assuming an Sn2 reaction mechanism, predict the major organic product(s) of (s)-3,3-dimethyl-2-butanol when reacted with HCl.
A gas occupies a volume of 458 mL at a pressure of 1.01 kPa and a temperature of 295 K. When the pressure is changed, the volume becomes 477 mL.
Calculate Delta H kJ/mol NH4NO3 for the solution process. NH4NO3 ( s) yields NH4 (there is a plus sign above the four)(aq) + ^ + NO3(negative sign above the three) (aq)
draw the structures for all the products obtained from the Diels - alders reaction of 2 methyl 1,3 butadiene and propene
You have been given the task by your adviser of making a 1-L of a solution with a calcium activity {Ca2+} of 1.3*10^-4 M and he wants you to make two different ways. One in 0.05M KCl and the second in 0.1M MgCl2. How much CaCl2 do you need to add ..
The methyl benzoate and acetanilide react with HNO3, H2SO4, and glacial acetic acid. Need to know the possible products and then the one that actually forms.
Specific heat of ice: 2.09g*c Specific heat of liquid water: 4.18j/g*c Enthalpy of fusion: 334j/g Enthalpy of vaporization: 2250j/g
Calculate Ka and Original Concentration of Weak Base, You have a solution of a weak base, the pH of which is 10.7532. If 10.000 mL of this solution will neutralize 6.655 mL of 0.07667
(The specific heats of ice, steam, and liquid are 2.03 J/g · °C, 1.99 J/g · °C, and 4.18 J/g·°C, respectively. The heat of fusion is 6.02 kJ/mol and heat of vaporization is 40.79 kJ/mol.)
Assuming 100% dissociation, calculate the freezing point and boiling point of 2.75 m K3PO4(aq).
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