Calculate T in Kelvin given E^0cell= 0.260 volts n= 3 R= 8.314 J/mol K F= 96500 C/mole electrons K= 2.15×10^16 E^0cell=RT/nFlnK a) 2,000 b) 26.7 c) 9,050 d) 0.00249 e) 241

How much energy is needed to convert a 55 gram sample of solid potassium at 25°C to liquid potassium at 760 °C?

and 2 Enthalpy #1.30 enoindice pled TT 2010 2D49.bs 22) When 1 mole of Fe2O3(s) reacts with H₂(g) to form Fe(s) and H2O(g) according to the following equation, 98.8 kJ of energy are absorbed. (6 Fe2O3(s) + 3 H2(g) → 2 Fe(s) + 3 H₂O(g) (pp) (20/d4 (pm) $40 D Reaclanis 13:48 SH Products endothermic, A endothermic, B (2) exothermic, A exothermic, B nad W (21 Enthalpy MOMS. Reactants Products (A) (B) Is the reaction endothermic or exothermic, and which of the enthalpy diagrams above represents grow olor and to noin (01 this reaction? SH GH TH A HOMH X HILD 08.10 Page 6 of 8

Calculate T in Kelvin givenE0cell= 0.970 voltsn= 1R= 8.314 J/mol KF= 96500 C/mole electronsK= 1.81×1016