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@X@user.full_name@X@ @GMU: The density of a particular gas is 3.8579 g/L at 774.23 mm Hg and 22.93 °C. What is the molecular mass of the gas?

Which of the following conditions will cause equilibrium to shift to the left?2NH3(g) ⇋ N2(g) + 3H2(g)

@X@user.full_name@X@ @GMU: What is the coefficient, b, in the reaction below, if Kc = 6.29e-4 and Kp = 1.32e-5 at 306.39°C?2A(s) + bB(g) → 3C(g)

@X@user.full_name@X@ @GMU: From the reaction below, calculate the free energy of formation for C8H8(g) at 25°C, if ΔGfo(CH4(g)) is -50.790 kJ/mol.8CH4(g) → C8H8(g) + 12H2(g) ΔGo = 620.735 kJ/mol

@X@user.full_name@X@ @GMU: What is the energy of a photon having a wavelength of 111.44 μm? Remember Planck’s constant is 6.626×10-34 J×s

@X@user.full_name@X@ @GMU: Balance the reaction below; determine the sum of the coefficients; this is in an acidic solution! Include co-efficients for any unshown species (such as water and H+)._Cr2O72- + _H2 → _Cr3+ + _H+

@X@user.full_name@X@ @GMU: What is the coefficient, b, in the reaction below, if Kc = 5.37e-4 and Kp = 1.7191 at 416.16°C?3A(s) + bB(g) → 5C(g)

@X@user.full_name@X@ @GMU: What is the standard cell voltage at 25.0oC for the reaction below?2MnO4-(aq) + Sn(s) → 2MnO42-(aq) + Sn2+(aq) K = 4.75e23

@X@user.full_name@X@ @GMU: A compound contains only lithium and iodine. A sample weighing 29.1 g of this compound contained 1.51 g of lithium. How many grams of iodine would there be in another sample of this compound containing 2.71 g of lithium?

The complete combustion of butanol, CH3(CH2)2CH2OH, yields carbon dioxide and water as products (see reaction below). __CH3(CH2)2CH2OH + __O2 ↔ __CO2 + __H2O The ratio of the number of molecules of O2 required to molecules of butanol is