Question

In: Chemistry

Write a chemical equation for the formation reaction and then calculate the standard free energy of...

Write a chemical equation for the formation reaction and then calculate the standard free energy of formation of each of the following compounds from the enthalpies of formation and the standard molar entropies, using ∆G◦ r = ∆H◦ r - T∆S◦ r:

(a) NH3(g)

(b) H2O(g)

(c) CO(g)

(d) NO2(g)

Solutions

Expert Solution

First calculate entropy change and enthalpy change of the reaction using thermodynamic data.

Then using formula find deltaG.


Related Solutions

1. Write the chemical equation for the formation of KCl (s) 2. Write the chemical equation...
1. Write the chemical equation for the formation of KCl (s) 2. Write the chemical equation describing the lattice energy for KCl (s)
For each solution: a.) Calculate the molarity b.)Write a chemical equation representing the formation of a...
For each solution: a.) Calculate the molarity b.)Write a chemical equation representing the formation of a solution your equation should start with: CH3CH2OH----> c.) Draw a molecular picture of the solution showing ions , solute molecules and water molecules Ethanol solution: 2.00 mL ethanol (d=0.789g/mL) to make 150. mL of solution
Consider the following reaction and calculate the standard Gibbs Free Energy for it. 2 NO +...
Consider the following reaction and calculate the standard Gibbs Free Energy for it. 2 NO + O2 --> 2 NO2 Given that delta H= -114.1 kJ and delta S= -146.5 kJ. Also comment on the spontaneity or otherwise of this reaction at 298 K. Are there any conditions in which your answer might be different? If so state this condition
Answer the following questions about Reaction F: Write the overall chemical equation for this reaction. Calculate...
Answer the following questions about Reaction F: Write the overall chemical equation for this reaction. Calculate the number of drops theoretically required to change the color of the solution (change the solution from acidic to basic). Assume H2SO4 donates both its protons in this reaction. How does this compare with your data? Answer the following questions about Reaction G: Write the overall chemical equation for this reaction. Identify the gas formed during this equation. What color was the solution at...
Calculate the standard change in Gibbs free energy, ΔGrxn∘, for the given reaction at 25.0 ∘C....
Calculate the standard change in Gibbs free energy, ΔGrxn∘, for the given reaction at 25.0 ∘C. Consult the table of thermodynamic properties for standard Gibbs free energy of formation values. KBr(s)↽−−⇀K+(aq)+Br−(aq) ΔGrxn°=    ?    kJ/mol Determine the concentration of K+(aq) if the change in Gibbs free energy, nΔGrxn, for the reaction is −8.95 kJ/mol. [K+] =    ? M
Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction free energy of...
Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction free energy of the following chemical reaction: ?+S8s24F2g8SF6g Round your answer to zero decimal places.
Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction free energy of...
Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction free energy of the following chemical reaction: →2NOClg+2NOgCl2g Round your answer to zero decimal places.
Calculate the free-energy change of the following reaction at 352°C and standard pressure. Values in the...
Calculate the free-energy change of the following reaction at 352°C and standard pressure. Values in the table are at standard pressure and 25°C. C2H4 + 3O2 --> 2CO2 +2H2O ΔHºf,(kJ/mol) Sºf, J/mol•K ΔGºf, kJ/mol C2H4(g) 52.3 219.5 68.1 O2(g) 0 205.0 0 CO2(g) -393.5 213.6 -394.4 H2O(g) -241.8 188.7 -228.6
1. Calculate the standard reaction entropy, enthalpy and Gibbs free energy for the following reactions a)...
1. Calculate the standard reaction entropy, enthalpy and Gibbs free energy for the following reactions a) N2(g) + NO2(g) ---> NO(g) + N2O(g) and b) 2F2(g) +2H2O(l) ---> 4HF(aq) + O2(g)
Calculate the overall standard electromotive force (ΔE°') and free energy (ΔG°') for the reaction below. Show...
Calculate the overall standard electromotive force (ΔE°') and free energy (ΔG°') for the reaction below. Show all work. Pyruvate + NADH + H+ lactate + NAD+
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT