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@X@user.full_name@X@ @GMU: What is the standard cell voltage at 25.0oC for the reaction below?Sn4+(aq) + Co(s) → Sn2+(aq) + Co2+(aq) K = 3.50e14

The complete combustion of cyclohexane, C6H12, yields carbon dioxide and water as products (see reaction below). __C6H12 + __O2 ↔ __CO2 + __H2O The ratio of the number of molecules of O2 required to molecules of cyclohexane is

@X@user.full_name@X@ @GMU: ACS-Using the given rate data what is the correct rate law for the reaction below?(CH3)3CBr(g) + OH- ⇋ (CH3)3COH + Br-  Exp [(CH3)3CBr]o [OH-]o Initial Rates, Ms-1 1 0.169 0.169 7.44e-5 2 0.338 0.169 1.49e-4 3 0.338 0.221 1.49e-4

@X@user.full_name@X@ @GMU: Determine the rate of formation of I2 if the initial concentration of IO3− was 0.4644 M and decreased to 0.3827 M after 0.2167 hours. Use the reaction below.IO3− + 5I− + 6H+ → 3I2 + 3H2O

@X@user.full_name@X@ @GMU: Determine the rate of consumption of O2 if the rate for consumption of NH3 is 0.269 M/s. Use the reaction below.4NH3 + 3O2 → 2N2 + 6H2O

@X@user.full_name@X@ @GMU: Using bond energies from the table, estimate ΔH for the reaction below.N2F4(g) → N2F2(g) + F2(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 In2S3?

@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(C8H18(g)) is 17.379 kJ/mol.C8H18(g) + 7H2(g) → 8CH4(g)

@X@user.full_name@X@ @GMU: Kaolinite, a clay mineral with the formula Al4Si4O10(OH)8, is produced naturally by the chemical weathering of aluminum silicate minerals like feldspar (granite). Kaolinite is used industrially as filler in slick-paper for magazines and as a raw material for ceramics. How many grams of oxygen are present in 16.27 g of kaolinite?

Nitric oxide, NO, is made from the oxidation of NH3 and the reaction is represented by the equation a NH3 + b O2 –> c NO + d H2O In the balanced equation, the correct coefficients for a, b, c, d are