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2. (11.1) Use values of AH and AG in Appendix H to evaluate the standard molar reaction enthalpy and the thermodyna...
17. Using values for the standard enthalpies of formation (AH:9) and standard molar entropy (439) on...
17. Using values for the standard enthalpies of formation (AH:9) and standard molar entropy (439) on the Appendix, calculate the following thermodynamic values for the complete combustion of ethanol: (10 points) C2H5OH(g) + 302(g) → 2CO2(g) + 3H2O(g) a) The standard enthalpy change (AHº) b) The standard entropy change (AS) c) Use values from a) and b) above to calculate AGO at 298K d) Is this reaction spontaneous at 298K under standard conditions?
For the reaction 2NO(g) + O2(g) —>2NO2(g) AH° = -114.2 kJ and AS° = -146.5 J/K...
For the reaction 2NO(g) + O2(g) —>2NO2(g) AH° = -114.2 kJ and AS° = -146.5 J/K The equilibrium constant for this reaction at 270.0 K is Assume that AH° and AS are independent of temperature. Submit Answer Try Another Version 3 item attempts remaining elefchces to access important values if needed for this question, Consider the reaction 2CO2(g) + 5H2(g)CH2(g) + 4H2O(g) Using the standard thermodynamic data in the tables linked above, calculate AG for this reaction at 298.15K if...
Calculate the standard enthalpy change for the following reaction at 25 °C. MgCl, (s)+H,O)MgO(s)+2 HCI(g) AH;...
Calculate the standard enthalpy change for the following reaction at 25 °C. MgCl, (s)+H,O)MgO(s)+2 HCI(g) AH; values can be found in this table of thermodynamic values. AH= kJ/mol
how do i calculate the molar enthalpy of comcustion of delta H1 using eauations 2-4? WTC...
how do i calculate the molar enthalpy of comcustion of delta
H1 using eauations 2-4?
WTC Cat. Mg(s) + 10,(g) -- MgO(s) AH, - (1) It is difficult to directly measure the enthalpy of combustion of a metal, so you will employ measur- able enthalpies (AHs) of other reactions, then use Hess's law of heat summation to indirectly deter- mine the enthalpy of combustion of magnesium to form magnesium oxide: 2 H2(g) + O2(g) -- 2 H,O(1) H. 571.68K3 (2)...
please answer 17a,b,c 17. Using values for the standard enthalpies of formation (AHY) and standard molar...
please answer 17a,b,c
17. Using values for the standard enthalpies of formation (AHY) and standard molar entropy (AS on the Appendix, calculate the following thermodynamic values for the complete combustion of ethanol: (10 points) C2H5OH(g) + 302(g) → 2CO2(g) + 3H2O(g) a) The standard enthalpy change (AHº) b) The standard entropy change (AS) c) Use values from a) and b) above to calculate AG° at 298K Formula SU/(K-mol 160 TABLE 16.1 Standard Molar Entropies for Some Common Substances at 25...
1) The net ionic equation for the reaction between aqueous nitric acid and aqueous sodium hydroxide...
1) The net ionic equation for the reaction between aqueous nitric acid and aqueous sodium hydroxide is A) H+ (aq) + HNO3 (aq) + 2OH- (aq) → 2H20 (1) + NO3- (aq) B) HNO3 (aq) + NaOH(aq) → NaNO3(aq) + H20 (1) C) H+ (aq) + OH- (aq) + H2O (1) D) HNO3 (aq) + OH- (aq) + NO3- (aq) + H2O (1) E) H+ (aq) + Na+ (aq) + OH- (aq) → H20 (1) + Na+ (aq) 2) Which...
Q1 Q2 Q3 Is a reaction with the following values of AH and AS spontaneous at...
Q1
Q2
Q3
Is a reaction with the following values of AH and AS spontaneous at 350 K?. AH 107 kJ AS = - 285 J/K A. The reaction is not spontaneous. B. The reaction is spontaneous. C. The reaction is at equilibrium. D. Cannot be determined Which of the following reactions represent AG°f? A. Na (s) + 1/2 F2 (g) → NaF (s) B. 2 H2 (g) + O2 (g) + 2 H20 (1) C. H30+ (aq) + OH-...
7. Use the given AH, Sº and AGºr values to calculate the AG at 25°C for...
7. Use the given AH, Sº and AGºr values to calculate the AG at 25°C for the following reaction two different ways. First with the AHºnx and AS°n to get AGºnn and then with AGº's to get AGºra. Compare your results. CS2(g) + 2H2O + 2O2(g) – CH4(g) + 2SO4(g) AH° (kJ/mol) 117 -286 0 -396 Sº (J/mol-K) 238 70. 205 186 257 AGⓇ (kJ/mol) 67 -237 0 -51 -371 -75 For each of the following redox reactions, a) Write...
is this correct or do i just plug in the values of the standard enthalpy of...
is this correct or do i just plug in the values of the
standard enthalpy of combustion and standard molar entropy given in
the begining of the question into the gibbs equation
11. The standard enthalpy of combustion of ethyl ethanoate (CH3COOC2H5, liq.) is -2331 kJ mol at 298 K, and its standard molar entropy is 259.4 JK mol. Calculate the standard Gibbs energy for formation of the compound at 298 K. (The standard enthalpies of formation of CO2(g) and...
*** ** -305.01 -183.9 151.1 NH4NO3 (aq) -339.9 -190.6 259.8 AHºf (kJ/mol) AG°f (kJ/mol) Sº (/mol...
*** ** -305.01 -183.9 151.1 NH4NO3 (aq) -339.9 -190.6 259.8 AHºf (kJ/mol) AG°f (kJ/mol) Sº (/mol K) 0 205.1 Oxygen 02 (g) O(g) 03 (g) 249.2 231.7 161.1 142.7 163.2 238.9 Phosphorus AH° (kJ/mol) AG°f(kJ/mol) sº (/mol K) Nitrogen AH°(kJ/mol) AG°f(kJ/mol) s° /mol K) N2 (8) 0 191.6 N (g) 472.7 455.6 153.3 NH3 (g) -46.1 -16.5 192.5 NH3 (aq) -80.0 -27.0 111.0 132.0 -79.0 113.0 90.3 86.6 210.8 51.7 66.1 261.8 NH4+ (aq) NO (g) NOCI (9) NO2 (g)...
17. Using values for the standard enthalpies of formation (AH:9) and standard molar entropy (439) on the Appendix, calculate the following thermodynamic values for the complete combustion of ethanol: (10 points) C2H5OH(g) + 302(g) → 2CO2(g) + 3H2O(g) a) The standard enthalpy change (AHº) b) The standard entropy change (AS) c) Use values from a) and b) above to calculate AGO at 298K d) Is this reaction spontaneous at 298K under standard conditions?
For the reaction 2NO(g) + O2(g) —>2NO2(g) AH° = -114.2 kJ and AS° = -146.5 J/K The equilibrium constant for this reaction at 270.0 K is Assume that AH° and AS are independent of temperature. Submit Answer Try Another Version 3 item attempts remaining elefchces to access important values if needed for this question, Consider the reaction 2CO2(g) + 5H2(g)CH2(g) + 4H2O(g) Using the standard thermodynamic data in the tables linked above, calculate AG for this reaction at 298.15K if...
Calculate the standard enthalpy change for the following reaction at 25 °C. MgCl, (s)+H,O)MgO(s)+2 HCI(g) AH; values can be found in this table of thermodynamic values. AH= kJ/mol
how do i calculate the molar enthalpy of comcustion of delta
H1 using eauations 2-4?
WTC Cat. Mg(s) + 10,(g) -- MgO(s) AH, - (1) It is difficult to directly measure the enthalpy of combustion of a metal, so you will employ measur- able enthalpies (AHs) of other reactions, then use Hess's law of heat summation to indirectly deter- mine the enthalpy of combustion of magnesium to form magnesium oxide: 2 H2(g) + O2(g) -- 2 H,O(1) H. 571.68K3 (2)...
please answer 17a,b,c
17. Using values for the standard enthalpies of formation (AHY) and standard molar entropy (AS on the Appendix, calculate the following thermodynamic values for the complete combustion of ethanol: (10 points) C2H5OH(g) + 302(g) → 2CO2(g) + 3H2O(g) a) The standard enthalpy change (AHº) b) The standard entropy change (AS) c) Use values from a) and b) above to calculate AG° at 298K Formula SU/(K-mol 160 TABLE 16.1 Standard Molar Entropies for Some Common Substances at 25...
1) The net ionic equation for the reaction between aqueous nitric acid and aqueous sodium hydroxide is A) H+ (aq) + HNO3 (aq) + 2OH- (aq) → 2H20 (1) + NO3- (aq) B) HNO3 (aq) + NaOH(aq) → NaNO3(aq) + H20 (1) C) H+ (aq) + OH- (aq) + H2O (1) D) HNO3 (aq) + OH- (aq) + NO3- (aq) + H2O (1) E) H+ (aq) + Na+ (aq) + OH- (aq) → H20 (1) + Na+ (aq) 2) Which...
Q1
Q2
Q3
Is a reaction with the following values of AH and AS spontaneous at 350 K?. AH 107 kJ AS = - 285 J/K A. The reaction is not spontaneous. B. The reaction is spontaneous. C. The reaction is at equilibrium. D. Cannot be determined Which of the following reactions represent AG°f? A. Na (s) + 1/2 F2 (g) → NaF (s) B. 2 H2 (g) + O2 (g) + 2 H20 (1) C. H30+ (aq) + OH-...
7. Use the given AH, Sº and AGºr values to calculate the AG at 25°C for the following reaction two different ways. First with the AHºnx and AS°n to get AGºnn and then with AGº's to get AGºra. Compare your results. CS2(g) + 2H2O + 2O2(g) – CH4(g) + 2SO4(g) AH° (kJ/mol) 117 -286 0 -396 Sº (J/mol-K) 238 70. 205 186 257 AGⓇ (kJ/mol) 67 -237 0 -51 -371 -75 For each of the following redox reactions, a) Write...
is this correct or do i just plug in the values of the
standard enthalpy of combustion and standard molar entropy given in
the begining of the question into the gibbs equation
11. The standard enthalpy of combustion of ethyl ethanoate (CH3COOC2H5, liq.) is -2331 kJ mol at 298 K, and its standard molar entropy is 259.4 JK mol. Calculate the standard Gibbs energy for formation of the compound at 298 K. (The standard enthalpies of formation of CO2(g) and...
*** ** -305.01 -183.9 151.1 NH4NO3 (aq) -339.9 -190.6 259.8 AHºf (kJ/mol) AG°f (kJ/mol) Sº (/mol K) 0 205.1 Oxygen 02 (g) O(g) 03 (g) 249.2 231.7 161.1 142.7 163.2 238.9 Phosphorus AH° (kJ/mol) AG°f(kJ/mol) sº (/mol K) Nitrogen AH°(kJ/mol) AG°f(kJ/mol) s° /mol K) N2 (8) 0 191.6 N (g) 472.7 455.6 153.3 NH3 (g) -46.1 -16.5 192.5 NH3 (aq) -80.0 -27.0 111.0 132.0 -79.0 113.0 90.3 86.6 210.8 51.7 66.1 261.8 NH4+ (aq) NO (g) NOCI (9) NO2 (g)...
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