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According to the ideal gas law, what would be the pressure of a gas at absolute zero? Why is there no upper reference point in defining the Kelvin scale? Why should you never burn trash that contains an aerosol can?
Starting with only the solid, it is found that at 40C the total gas pressure (NH3 and CO2) is 0.33 atm. Calculate the euilibrium constant Kp/
Write out and label the oxidation half-reaction and the reduction half-reaction. b) Combine your balanced half-reactions to show the balanced total reaction. c) What is the oxidizing agent? What is the reducing agent?
Which of the following is an experimental fact that valence bond theory cannot explain, but molecular orbital theory can? the paramagnetism observed for O2 the N-N bond order in N2 the rotational barrier about the C-C bond in ethylene the existenc..
the first order decomposition of N2O5 at 238 K has a rate constant of 1.70 * 10-3. If the initial concentration of N2O5 is 2.88M,
the NERNST equation is used to predict the impact of concentration on the cell potential. What value of slope does the Nernst equation predict for a plot of Ecell vs. log(cu2+ conc ratio)
Explain what is the mechanism for azulene with triflouroaceticanhydride. Demonstrate resonance. Water was added and hexanes and EtOAc were utilized to elute not sure if that is necessary to incorporate
Many household cleaning products contain oxalic acid, H2X2O4 , a diprotic acid with the following dissociation constants: , . Calculate the equilibrium concentration of C2O4^2- in a 0.20M solution of oxalic acid.
Write a net ionic equation for the reaction between aqueous solutions of ammonia and hydrofluoric acid.
What is the initial concentration (in M) when 17.8 mL of a iron(lll) chloride solution was diluted with 15.3 mL of solvent to a final concentration of 0.725 M? Assume the volumes are additive.
what is the final temprature of 0.1222 mol of a perfect monatomic gas that preform 75 j of work adiabatically if the
The mass percent of urea (formula CH4N2O) in a solution prepared by dissolving 16g of urea in 39g water is: a). 29% b). 0.29 % c). 16% d). 71%
Explain why compare the heats of combustion of sugar or chicken fat measured in a bomb calorimeter with the caloric content of those foods
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