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A solution of 75.0g of benzene and 75.0g of toluene has a total vapor pressure of 80.9mmHg at 303K. Another solution of 100.0g of benzene and 50.0g toluene has a total vapor pressure of 93.9mmHg at this temperature.
a) Catalyst works by lowering action barrier of rate limiting step. b) In a 1st order reaction, concentration of reactant is doubled then rate of reaction is doubled. c) equilibrium constant for reaction will never be affected by changing the concent..
how many constitutionally isomeric monochlorides can be formed on free-radical chlorination
The volume of fluorine gas required to react with 2.67 g of calcium bromide to form calcium fluoride and bromine at 41 ºC and 4.31 atm is how many mL
Calculate the wavelength in meters of light absorbed by an electron in an atom of hydrogen as it moves from n = 3 to n = 6.
Polyvinyl chloride (PVC) is made by addition polymerization of vinyl chloride (VCM C2H3Cl). Vynyl chloride is synthesized from ethylene(C2H4 in a two step process involving
Describe the principle of peroxide value method used to measure the oxidation of food lipid and give the major reaction involved in the methods
The good professor accidently grabs the Na2HPO4 bottle. What pH did professor Whoops expect the solution to be. what was the actual pH of the solution as made
Limestone (CaCO3) is used to remove acidic pollutants from smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite
Calculate the force of attraction (in N) between a cation with a valence of +2 and an anion with a valence of -2
The HCl molecule is quite well described by the morse potential with hcDe=5.33 ev. v=2989.7 and xv+52.05 . Assuming that the potential is unchanged on deuteration , predict the dissociation energy of HCl and DCl
The pKb values for the dibasic base B are pKb1 = 2.1 and pKb2 = 7.8. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.60 M B(aq) with 0.60 M HCl(aq).
A 21.8 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter, according to the following reaction. If the temperature rises from 25.0°C to 62.3°C, determine the heat capacity of the calorimeter. The molar mass of ethanol is 46.07 g/mol.
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