1mole of Fe was quenched from 1000°C to 0°C. Find AH.< T = 912°C< AHtransformation = 900 J/mol CP,Y-Fe = 34 (J/mol-K, T > 912°C)< Сpa-Fe = 38 (J/mol-K, T > 912°C)
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- Help with the following question Ksp for ZnCO3 is 1.46 x 10 ^-10Hexanoic acid was added to an immiscible biphasic solvent sysem, water and CCl4 at 20.0OC and the equilibrium concentrations of hexanoic acid were determined to be 3.66 g/L in H2O and 67.0 g/L in CCl4. Caluclate the distrubution coeffiecent (D1) of hexanoic acid in CCl4 with respect to water.What is ΔHsys for a reaction at 51.4 °C with ΔSsurr = 749 J mol-1 K-1 ? Express your answer in kJ mol-1 to at least two significant figures.
- Aleks data for PbCO3 is 7.40 x 10^-14.What is ΔHsys for a reaction at 16.9 °C with ΔSsurr = -159 J mol-1 K-1 ? Express your answer in kJ mol-1 to at least two significant figures. (Please type answer no write by hend)Use the following equilibria2CH4(g) <----> C2H6(g) + H2(g) Kc1 = 9.5 × 10-13CH4(g) + H2O(g) CH3OH(g) + H2(g) Kc2 = 2.8 × 10-21to calculate the value of Kc' for the following reaction:2CH3OH(g) + H2(g) <---> C2H6(g) + 2H2O(g) Enter your response in scientific notation, e.g. enter 2E3 for 2000
- 9. Calculate the Go in kJ/mol. 3Fe2+ (s) + 2Cr(aq) ⟶2Cr3+(aq) + 3Fe (s); Eocell=0.30 V Group of answer choices -170 +170 +87 +58 -195 10. Calculate Ecell in volts. Zn(s)|Zn2+(2.50x10-4M)||Sn2+(1.50M)|Sn(s) Eocell=+0.624 V Group of answer choices 0.736 0.635 0.512 0.848 no correct answerKsp for Co(OH)2 is 5.92x10^-15Hexanoic acid was added to an immiscible biphasic solvent system, water and CCl4 at 20.0OC and the equilibrium concentrations of hexanoic acid were determined to be 3.66 g/L in H2O and 67.0 g/L in CCl4. Caluclate the distrubution coeffiecent (D2) of hexanoic acid in water with respect to CCl4.