What temperature must the reaction be above in order to become spontaneous? CaCO3(s)CaO(s)+CO2(9) AHor (CaCO3)-1207.6 k]/mol...
At what temperature is the following reaction feasible: CaCO3 -> CaO + CO2? Enthalpy data: CaCO3: -1207 kJ/mol CaO: -635 kJ/mol CO2: -394 kJ/mol Entropy data: CaCO3: +93 J/K mol CaO: +40 J/K mol CO2:+214 J/K mol
What is K for the following reaction? CaCO3 (s) >>CO2(s) + CaO (s) Delta H=117.8kj/mol Delta S= 160.5 J/kmol Delta G=130.2jk/mol
Consider the decomposition of CaCO3 at standard conditions: CaCO3(s) >> CO2(g) + CaO(s) DeltaH=177.8 KJ/mol, DeltaS=160.5 J/K mol, DeltaG=130.3 KJ/mol, K=1.506x10^-23, Nonspontaneous until temp 1107.8 K or higher. What is the new concentration of CO2 at nonstandard temperature (1107.8k)?
Consider the decomposition of CaCO3 at standard conditions: CaCO3(s) >> CO2(g) + CaO(s) DeltaH=177.8 KJ/mol, DeltaS=160.5 J/K mol, DeltaG=130.3 KJ/mol, K=1.506x10^-23, Nonspontaneous until temp 1107.8 K or higher. What is the new concentration of CO2 at nonstandard temperature (1107.8k)?
The decomposition of calcium carbonate is given by the equation, CaCO3(s) →CaO(s) + CO2(g). Determine if the reaction is spontaneous at room temperature, given the following thermodynamics parameters: Δ? = 178 kJ/mol Δ? = 163 J/Kmol
CaO (s) + CO2 (g) CaCO3 (s) Given the following information, what is the standard gibbs free energy change (°) at 35°C? H°rxn = -179 kJ/mol CaO (s) = 38.1 S° CO2 (g) = 213.8 S° CaCO3(s) = 91.7 S°
spontaneous or nonspontaneous spontaneous or nonspontaneous spontaneous or nonspontaneous Consider the following reaction: CACO3(s) CaO (s) + CO2 (g). Estimate AG for this reaction at each of the following temperatures. (Assume that AH° and AS do not change too much within the given temperature range.) Part A 290 K Part B 1095 K Part C 1475 K
CaCO3(s) ⇄ CaO(s) + CO2(g) 0.100 mol of CaCO3 and 0.100 mol CaO are placed in an 10.0 L evacuated container and heated to 385 K. When equilibrium is reached the pressure of CO2 is 0.220 atm. 0.300 atm of CO2 is added, while keeping the temperature constant and the system is allowed to reach again equilibrium. What will be the final mass of CaCO3? 7.47 g 12.54 g 18.01 g 2.00 g 10.01 g
Question 19 Determine AGºrxn for the following reaction at 298 K. CaCO3(s) --- CaO(s) + CO2() AH®= +179.2 kJ; A5°= +160.2 J/K -131.5 kJ +226.9 kJ +179.2 kJ -226.9 kJ +131.5 kJ
What is ΔGo (in kJ) at 647 K for the following reaction? PbO(g) + CO2(g) → PbCO3(s) PbO: ΔHfo = -219.0 kJ/mol and So = 66.5 J/K mol) PbCO3(s): ΔHfo = -699.1 kJ/mol and So = 131.0 J/K mol) CO2: ΔHfo = -393.5 kJ/mol and So = 213.6 J/K mol) At what temperature (in K) does the above reaction become spontaneous?