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@X@user.full_name@X@ @GMU: ACS-Using the given rate data what is the correct rate law for the reaction below?NH4+ + NO2− ⇋ N2 + 2H2O  Exp [NH4+]o [NO2−]o Initial Rates, Ms-1 1 0.119 0.119 8.43 2 0.238 0.119 1.69e1 3 0.238 0.172 3.52e1

Xenon tetrafluoride, XeF4, can be prepared by the reaction below. What is the correct equilibrium constant expression, Kp, for this reaction?Xe(g) + 2F2(g) ⇋XeF4(g)

What is the correct equilibrium constant expression, Kc, for the following reaction?4NH3(g) + 5O2(g) ⇋ 4NO(g) + 6H2O(g)

@X@user.full_name@X@ @GMU: What is the balanced reaction for the following galvanic cell?Cu(s)| Cu+(aq) || Fe3+(aq) | Fe(s)

@X@user.full_name@X@ @GMU: What is the free energy change at 25°C for the reaction below, if ΔGfo(CH4(g) = -50.790 kJ/mol, ΔGfo(C8H10(g)) is 128.238 kJ/mol.C8H10(g) + 11H2(g) → 8CH4(g)

@X@user.full_name@X@ @GMU: What is the wavelength of photons having an energy of 536 kJ/mol. Remember Planck’s constant is 6.626×10-34 J×s

@X@user.full_name@X@ @GMU: A compound contains only calcium and iodine. A sample weighing 9.93 g of this compound contained 1.35 g of calcium. How many grams of iodine would there be in another sample of this compound containing 2.40 g of calcium?

@X@user.full_name@X@ @GMU: What is the free energy change at 25°C for the reaction below, if ΔGfo(CH4(g) = -50.790 kJ/mol, ΔGfo(C5H8(g)) is 210.072 kJ/mol.C5H8(g) + 6H2(g) → 5CH4(g)

@X@user.full_name@X@ @GMU: Using bond energies from the table, estimate ΔH for the reaction below.N2(g) + 2H2(g) → N2H4(g) Bond Energies, kJ/mol Single Bonds   H C N O S F Cl Br I H 432                 C 411 346               N 386 305 167             O 459 358 201 142           S 363 272 — — 286         F 565 485 283 190 284 155       Cl 428 327 313 218 255 249 240     Br 362 285 243 201 217 249 216 190   I 295 213 — 201 — 278 208 175 149   Multiple Bonds C=C 602 C=N 615 C=O 799 CºC 835 CºN 887 CºO 1072 N=N 418 N=O 607 S=O (in SO2) 532 NºN 942 O2 494 S=O (in SO3) 469

@X@user.full_name@X@ @GMU: What is the correct name for Fe2O3?