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Find Delta H for the combustion of methanol CH4O to carbon dioxide and liquid water from the following data. The heat capacity of the bomb calorimeter is 34.65 kJ/K and the combustion of 1.742g of methanol raises the temperature of the calorimeter from 294.12K to 295.26K
What purpose does Acetic Acid serve in the hypochlorite oxidation of cyclohexanol? What advantages does the hypochlorite oxidation offer over conventional methods such as chromium oxidation?
Joseph Priestley prepared oxygen by heating mercury(II) oxide. The compound HgO is stable at room temperature but decomposes into its elements (Hg and O2) at high temperatures. What conclusions can be drawn concerning DH and DS for this decomposit..
Excessive quantities of wash water are added to the CaC2O4*H2O precipitate. Will the mass of the CaC2O4*H2O be reported too high, too low, or unaffected. Explain
Determine the enthalpy change for the following reaction below using (a) standard enthalpies of formation, and (b) average bond energies. Explain why the two values might be different.
Using terms in the Hartree-Fock energy expression, explain why the lowest-energy triplet state of the He atom is higher in energy than the singlet state.
What is the photoelectric effect, and what property of electromagnetic radiation does it help explain
Calculate the concentration of an aqueous solution of Ca(OH2)that has a pH of 12.57? Express your answer using two significant figures.
Draw the alcohol produced from the acid hydrolysis of butyl acetate
In what direction do the functions point? What orbitals are"left" unused on the C atom?
Calculate ?G°rx (in kJ) at 582.77 K for this reaction. Report your answer to two decimal places in standard notation (i.e. 123.45 kJ).
Write an equation to show how the base NaOH(s) behaves in water. Include states of matter in your answer.
Calculate the volume of ammonia required to bring the pH to 3.00 and to 8.00. Kb (NH3) = 1.8 x 10^-5.
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