@X@user.full_name@X@ @GMU: What is the temperature at which…
@X@user.full_name@X@ @GMU: What is the temperature at which the reaction below becomes spontaneous, if the standard entropies of reactants and products at 25oC are So (C(gr)) = 5.74 J/mol*K, So(H2(g)) = 130.68 J/mol*K, and So (C3H4(g)) = 248.2000J/mol*K and the heat of formation of C3H4(g)) is 185.5200 kJ/mol?3C(gr) + 2H2(g) → C3H4(g)
Read Details@X@user.full_name@X@ @GMU: By how much would the rate of rea…
@X@user.full_name@X@ @GMU: By how much would the rate of reaction (see below) change if the concentration of H+ increased by a factor of 1.525. The rate law of this reaction is Rate = k[BrO3-][Br-][H+]2.BrO3- + 5Br- + 6H+ → 3Br2 + 3H2O
Read Details@X@user.full_name@X@ @GMU: When 2.713 g of urea was dissolve…
@X@user.full_name@X@ @GMU: When 2.713 g of urea was dissolved in 107.3 g of benzene, the boiling point was 354.3 K. What is the formula mass of this compound? The boiling point elevation constant for benzene is 2.53 (°C*kg)/mol. The melting point and boiling points are 5.50°C and 80.10°C, respectively.
Read Details@X@user.full_name@X@ @GMU: What is the potential of a cell a…
@X@user.full_name@X@ @GMU: What is the potential of a cell at 25oC for which the reaction below applies, if the molar concentrations of Fe3+(aq) and H+ are 0.133 M and 1.06e-5 M, respectively? The H2(g) pressure is 1 atm at 25oC.6H+(aq) + 2Fe(s) → 2Fe3+(aq) + 3H2(g) Ecoell = 0.040 V
Read Details@X@user.full_name@X@ @GMU: To what temperature would the r…
@X@user.full_name@X@ @GMU: To what temperature would the reaction below need to be heated to have a rate constant of 6.09e-4 M-1s-1 if the rate constant was 2.700e-4 M-1s-1 at 327.00°C and the activation energy was 166.00 kJ/mol?H2(g) + I2(g) → 2HI(g)
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