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Calculate the molecular weight of a gaseous compound if 0.75 gram occupies a volume of 336 mL at STP
An iron ore sample is a mixture of Fe2O3 and several impurities. A 752. g sample of the impure iron ore is heated with excess carbon.
Calculate the calorimeter constant. The enthalpy of combustion of antracene is -7061 kJ/mol.
Consider the fusion of boron 10 with an alpha particle. The products of the fusion are carbon and a proton. a) Write a nuclear reaction for this process.
The H+ concentration of a 1 M solution of benzoic acid is 8x10^-3 M. What percent of the benzoic acid, C6H5COOH is ionized in this aqueous solution?
In relation to the previous question, diazonium salts couple with phenols in slightly alkaline solution. What effect does the pH of the solution have on the reactivity of the phenol?
Critical constants of a gas with van der Waals parameters, Estimate the critical constants of a gas with van der Waals parameters
Which of the following hormones requires selenium for its synthesis?
Show reasonable function group test to distinguish between the following compounds and write down their characteristic observation. A) 2-butanol and t-butyl alcohol
How many grams of dipotassium phthalate (242.3 g/mol) must be added to 700 mL of 0.175 M potassium hydrogen phthalate to give a buffer of pH 6.00?
During a photochemical smog episode in a coastal city, the steady-state concentration of oxygen radicals at ground level was measured to be 0.09 ppmv at 25 degrees celsius.
Calculate the equilibrium constant for the reaction - flask at a certain temperature according to the reaction
The chemical reaction that causes aluminum to corrode in air is given by 4Al+3O2 Al2O3 in which Hrxn = %3352 kJ rxn = %u2212625.1 J/K) What is the Gibbs free energy for this reaction at 5975K ?
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