Question

In: Chemistry

Estimate Keq for the following equilibria at 350 K. R = 8.3145 J/(mol*K). Substance ΔHo(kJ/mol) So(J/(mol*K))...

Estimate Keq for the following equilibria at 350 K. R = 8.3145 J/(mol*K). Substance ΔHo(kJ/mol) So(J/(mol*K)) SnO2(s) -577.6 49.0 H2(g) 0 130.680 CO(g) -110.5 197.7 Sn(s, white) 0 51.2 H2O(l) -285.83 69.95 Fe(s) 0 27.3 Fe3O4(s) -1118.4 146.4 Correct answer. Correct. SnO2(s) + 2H2(g) ⇄ Sn(s, white) + 2H2O(l) The number of significant digits is set to 2; the tolerance is +/-3% LINK TO TEXT Incorrect answer. Incorrect. 3Fe(s) + 4H2O(l) ⇄ Fe3O4(s) + 4H2(g) Entry field with incorrect answer now contains modified data The number of significant digits is set to 2; the tolerance is +/-3%

Solutions

Expert Solution


Related Solutions

Cgas = 1.3 J/g×K    Hvap = 38.56 kJ/mol    Cliq = 2.3 J/g×K      Hfus = 5.02 kJ/mol   ...
Cgas = 1.3 J/g×K    Hvap = 38.56 kJ/mol    Cliq = 2.3 J/g×K      Hfus = 5.02 kJ/mol    Csolid = 0.97 J/g×K      Condensation Temp = 78.0oC               Freezing Pt = -114.0oC Calculate the amount of heat required toconvert 92.6 mL of ethanol, C2H6O, from 110.0oC to -98.0oC.
For a hypothetical reaction, ΔrHθ = 89.1 kJ/mol and ΔrSθ = 364 J/mol/K. What is the...
For a hypothetical reaction, ΔrHθ = 89.1 kJ/mol and ΔrSθ = 364 J/mol/K. What is the total standard entropy of the reaction, ΔrStotθ, at 343 K?
A reaction has and △H°298 = 151 kJ/mol and △S°298 = 286 J /mol K at...
A reaction has and △H°298 = 151 kJ/mol and △S°298 = 286 J /mol K at 298 K. Calculate △G in kJ/mol.
Given that ΔGo for a reaction is 4.00 kJ mol-1, what is the value of Keq...
Given that ΔGo for a reaction is 4.00 kJ mol-1, what is the value of Keq at 25oC (i.e., 77oF)? The value of R is 0.008314 kJ/mol K or 0.001986 kcal/mol K. Report your answer to three significant digits.
Given the values of So given below in J/mol K and the values of ΔHfo given...
Given the values of So given below in J/mol K and the values of ΔHfo given in kJ/mol, calculate the value of ΔGo in kJ for the combustion of 1 mole of propane to form carbon dioxide and gaseous water at 298 K. S (C3H8(g)) = 274 S (O2(g)) = 209 S (CO2(g)) = 216 S (H2O(g)) = 181 ΔHfo (C3H8(g)) = -105 ΔHfo (CO2(g)) = -394 ΔHfo (H2O(g)) = -225
Given the data: PbO(s), Df Hq = -217.3 kJ mol–1, Sq = +68.7 J mol–1 K–1...
Given the data: PbO(s), Df Hq = -217.3 kJ mol–1, Sq = +68.7 J mol–1 K–1 PbO2(s), Df Hq = -277.0 kJ mol–1, Sq = +68.6 J mol–1 K–1 O2(g), Df Hq= 0.00 kJ mol–1, Sq = +205 J mol–1 K–1 calculate the standard free energy change, DrGq, for the reaction: PbO(s) + ½ O2(g) ® PbO2(s) Select one: a. +1.45 kJ mol–1 b. –29.1 kJ mol–1 c. –68.3 kJ mol–1 d. –90.3 kJ m
Please explain in detail "Biochemistry" Given: [R= 8.315 J/mol . K] Consider the reaction at standard...
Please explain in detail "Biochemistry" Given: [R= 8.315 J/mol . K] Consider the reaction at standard temperature: glucose-1-P -> glucose-6-P This reaction has a K' eq = 21 Answer the following questions: a. Is the concentration of glucose-6-P equal, higher or lower than that of glucose-1-P at equilibrium? Justify your answer using the expression for K' eq. b. What is ∆G'° for the reaction? Write down the equation used in the calculations and the units in your answer. c. If...
where R=8.314 J/(mol⋅K), T is the Kelvin temperature, n is the number of moles of electrons...
where R=8.314 J/(mol⋅K), T is the Kelvin temperature, n is the number of moles of electrons transferred in the reaction, and F=96,485 C/mol e−. At 68.0 ∘C , what is the maximum value of the reaction quotient, Q, needed to produce a non-negative E value for the reaction SO42−(aq)+4H+(aq)+2Br−(aq)⇌Br2(aq)+SO2(g)+2H2O(l) In other words, what is Q when E=0 at this temperature? Express your answer numerically to two significant figures.
The value of the universal gas constant is 0.082 (L atm)/(mol K) or 8.31 J/(mol k)...
The value of the universal gas constant is 0.082 (L atm)/(mol K) or 8.31 J/(mol k) and 1.00 atm = 760 mmHg or 760 torr. When a sample of H2​​​​O​​​​​​​​​​​​2 is decomposed, 350 mL of O2 gas is collected at 20 °C and at a partial pressure of 695 torr. How many moles of O2 gas were collect The value of the universal gas constant is 0.082 (L atm)/(mol K) or 8.31 J/(mol k) and 1.00 atm = 760 mmHg...
A certain substance has a heat of vaporization of 70.78 kJ/mol. At what Kelvin temperature will...
A certain substance has a heat of vaporization of 70.78 kJ/mol. At what Kelvin temperature will the vapor pressure be 6.50 times higher than it was at 331 K?
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT