a) calculate the standard reaction entropy (in J K-1 mol-1) at 298K for the complete combustion...
a) calculate the standard reaction entropy (in J K-1 mol-1) at 298K for the complete combustion of sucrose.
b) Calculate the standard Gibbs reaction energy (in kJ mol-1) for the reaction
Homework Answers
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a) calculate the standard reaction entropy (in J K-1
mol-1) at 298K for the complete combustion...
5. The standard molar entropy of liquid ethanol (C2H5OH) is 160.7 J K mol and the...
5. The standard molar entropy of liquid ethanol (C2H5OH) is 160.7 J K mol and the standard enthalpy of combustion is - 1368 kJ mol at 298 K, how much is the standard Gibbs energy (A,Gº) of formation of liquid ethanol at 298 K? (20 pts) The formation reaction of ethanol is 2C (graphite) + O2(g) + 3H2 (g) → C2H5OH() The combustion reaction of ethanol is CH5OH (1) + 302 (9) ► 200, (g) + 3H20 (1) CO; (g)...
kJ/mole) The standard enthalpy of combustion of solid urea (NH2 (C-O) (C=O)NH2 ) is -632 kJ/mole...
kJ/mole) The standard enthalpy of combustion of solid urea (NH2 (C-O) (C=O)NH2 ) is -632 kJ/mole under standard conditions. Its standard molar entropy is 104.60 J/K mol. Calculate the Gibbs energy of formation of urea at 298K.(ANS: -663 kJ/mol) 4.
Chapter 1 Thermodynamics Page 16 16. The standard enthalpy of combustion of solid phenol (CH3OH) is...
Chapter 1 Thermodynamics Page 16 16. The standard enthalpy of combustion of solid phenol (CH3OH) is -3054 kJ moli' at 298K and its standard molar entropy is 144,0 J K'moll. Calculate the standard Gibbs free energy of formation at 298K. (81,98 kJ mol) 17. Calculate the standard Helmholtz energy of formation of CH2OH(l) at 298K from the standard Gibbs energy of formation, on the assumption that He and O2 are perfect gases. (-160 kJ mol') 18. a. Calculate the heat...
The standard entropy change for the reaction 302() 203() is -137.2 J/K mol at 298 K...
The standard entropy change for the reaction 302() 203() is -137.2 J/K mol at 298 K and 1 bar. Calculate the value of AS rx at 460 K, assuming that all values are independent of temperature. [ACP,ran for this reaction is -9.8 kJ/K mol).] Г ЈК - mol
Calculate the standard entropy, Δ?∘rxn, of the reaction at 25.0 ∘C using the table of thermodynamic...
Calculate the standard entropy, Δ?∘rxn, of the reaction at 25.0 ∘C using the table of thermodynamic properties. 3C2H2(g)⟶C6H6(l) Δ?∘rxn= J⋅K−1⋅mol−1 Calculate the standard Gibbs free energy of the reaction, Δ?∘rxn. The standard enthalpy of the reaction, Δ?∘rxn, is −633.1 kJ⋅mol−1. Δ?∘rxn= kJ⋅mol−1 Determine in which direction the reaction is spontaneous as written at 25.0 ∘C and standard pressure. both forward reverse neither
Using the standard entropy values: NOG), S = +210.6 J mol-1 K-1 02(0), sº = +205.0...
Using the standard entropy values: NOG), S = +210.6 J mol-1 K-1 02(0), sº = +205.0 J mol-1 K-1 NO2(g), sº = +240.5 J mol-1 K-1 calculate the standard entropy change, Asº, for the reaction: NO(g) + O2(g) NO2(g) A.-246.1 kJ B. +246.1 kJ C.-175.1 kJ D.-656.1 kJ E. -72.6 kJ
Calculate the standard entropy, ASxn. of the reaction at 25.0°C using the table of thermodynamic properties....
Calculate the standard entropy, ASxn. of the reaction at 25.0°C using the table of thermodynamic properties. CH,(g) + H2O(l) —C,H,OH(1) AS;un = J-K--mol- Calculate the standard Gibbs free energy of the reaction, AGix. The standard enthalpy of the reaction, A Hixn, is -44.2 kJ-mol!. AGtx = kJ.mol-1 Determine in which direction the reaction is spontaneous as written at 25.0 °C and standard pressure. O both O neither O reverse O forward
Calculate the standard entropy, Delta S_rxn^degree, of the following reaction at 25.0 degree C using the...
Calculate the standard entropy, Delta S_rxn^degree, of the following reaction at 25.0 degree C using the data in this table. The standard enthalpy of the reaction, Delta H_rxn^degree, is -633.1 kJ middot mol^-1. 3C_2 H_2(t) rightarrow C_6 H_6 (l) Delta S_rxn^degree = Number J middot K^-1 middot mol^-1 Then, calculate the standard Gibbs free energy of the reaction, Delta G_rxn^degree. Delta G_rxn^degree = Number kJ middot mol^-1 Finally, determine which direction the reaction is spontaneous as written at 25.0 degree...
1) Consider the reaction: P4O10(s) + 6H2O(l)------>4H3PO4(aq) Using standard absolute entropies at 298K, calculate the entropy...
1) Consider the reaction: P4O10(s) + 6H2O(l)------>4H3PO4(aq) Using standard absolute entropies at 298K, calculate the entropy change for the systemwhen 1.53 moles ofP4O10(s) react at standard conditions. S°system = J/K 1b) Consider the reaction: 2H2O2(l)--------->2H2O(l) +O2(g) Using standard absolute entropies at 298K, calculate the entropy change for the systemwhen 1.87 moles ofH2O2(l) react at standard conditions. S°system = J/K
What is the change in volume for this reaction (ΔVR(1 bar, 298K)) at 298K and 1...
What is the change in volume for this reaction (ΔVR(1 bar,
298K)) at 298K and 1 bar? Are the products or reactants denser?
What is the change in enthalpy for this reaction (ΔHR(1 bar,
298K)) at 298K and 1 bar? Is the reaction exothermic or
endothermic?
What is the change in internal energy for this reaction (ΔER(1
bar, 298K)) at 298K and 1 bar? For this reaction, under these
conditions is q or w the more significant term?
What is...
5. The standard molar entropy of liquid ethanol (C2H5OH) is 160.7 J K mol and the standard enthalpy of combustion is - 1368 kJ mol at 298 K, how much is the standard Gibbs energy (A,Gº) of formation of liquid ethanol at 298 K? (20 pts) The formation reaction of ethanol is 2C (graphite) + O2(g) + 3H2 (g) → C2H5OH() The combustion reaction of ethanol is CH5OH (1) + 302 (9) ► 200, (g) + 3H20 (1) CO; (g)...
kJ/mole) The standard enthalpy of combustion of solid urea (NH2 (C-O) (C=O)NH2 ) is -632 kJ/mole under standard conditions. Its standard molar entropy is 104.60 J/K mol. Calculate the Gibbs energy of formation of urea at 298K.(ANS: -663 kJ/mol) 4.
Chapter 1 Thermodynamics Page 16 16. The standard enthalpy of combustion of solid phenol (CH3OH) is -3054 kJ moli' at 298K and its standard molar entropy is 144,0 J K'moll. Calculate the standard Gibbs free energy of formation at 298K. (81,98 kJ mol) 17. Calculate the standard Helmholtz energy of formation of CH2OH(l) at 298K from the standard Gibbs energy of formation, on the assumption that He and O2 are perfect gases. (-160 kJ mol') 18. a. Calculate the heat...
The standard entropy change for the reaction 302() 203() is -137.2 J/K mol at 298 K and 1 bar. Calculate the value of AS rx at 460 K, assuming that all values are independent of temperature. [ACP,ran for this reaction is -9.8 kJ/K mol).] Г ЈК - mol
Using the standard entropy values: NOG), S = +210.6 J mol-1 K-1 02(0), sº = +205.0 J mol-1 K-1 NO2(g), sº = +240.5 J mol-1 K-1 calculate the standard entropy change, Asº, for the reaction: NO(g) + O2(g) NO2(g) A.-246.1 kJ B. +246.1 kJ C.-175.1 kJ D.-656.1 kJ E. -72.6 kJ
Calculate the standard entropy, ASxn. of the reaction at 25.0°C using the table of thermodynamic properties. CH,(g) + H2O(l) —C,H,OH(1) AS;un = J-K--mol- Calculate the standard Gibbs free energy of the reaction, AGix. The standard enthalpy of the reaction, A Hixn, is -44.2 kJ-mol!. AGtx = kJ.mol-1 Determine in which direction the reaction is spontaneous as written at 25.0 °C and standard pressure. O both O neither O reverse O forward
Calculate the standard entropy, Delta S_rxn^degree, of the following reaction at 25.0 degree C using the data in this table. The standard enthalpy of the reaction, Delta H_rxn^degree, is -633.1 kJ middot mol^-1. 3C_2 H_2(t) rightarrow C_6 H_6 (l) Delta S_rxn^degree = Number J middot K^-1 middot mol^-1 Then, calculate the standard Gibbs free energy of the reaction, Delta G_rxn^degree. Delta G_rxn^degree = Number kJ middot mol^-1 Finally, determine which direction the reaction is spontaneous as written at 25.0 degree...
What is the change in volume for this reaction (ΔVR(1 bar,
298K)) at 298K and 1 bar? Are the products or reactants denser?
What is the change in enthalpy for this reaction (ΔHR(1 bar,
298K)) at 298K and 1 bar? Is the reaction exothermic or
endothermic?
What is the change in internal energy for this reaction (ΔER(1
bar, 298K)) at 298K and 1 bar? For this reaction, under these
conditions is q or w the more significant term?
What is...
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