3.- ENTROPY EXERCISES. From the absolute entropy values calculate the standard entropy changes (ΔS °) of...

3.- ENTROPY EXERCISES.
From the absolute entropy values calculate the standard entropy changes (ΔS °) of the following reactions at 25 C

a.- CaCO₃_(s) →→→ CaO _(s) + CO₂_(g)

b.- N₂_(g) + 3H₂_(g) →→→ 2NH₃_(g)

c.- H₂_(g) + Cl₂_(g) →→→ 2HCl _(g)

TABLE OF VALUES OF STANDARD ENTROPY (S °):

COMPOUND	Standard Entropy (S°): J/ K-mol
CaCO₃_(s)	92.9
CaO _(s)	39.8
CO₂_(g)	213.6
N₂_(g)	192
H₂_(g)	131
NH₃_(g)	193
Cl₂_(g)	223
HCl _(g)	187

Solutions

Expert Solution

queen_honey_blossom answered 1 year ago

Next > < Previous

Related Solutions

Using the standard values of enthalpy changes (ΔH°) and entropy change (ΔS°) to calculate the Gibbs...

Using the standard values of enthalpy changes (ΔH°) and entropy change (ΔS°) to calculate the Gibbs free energy change for the production of following metallic elements from their ore sources: (a) 2ZnO(s) 2Zn(s) + O2(g) (b) 2CaO(s) 2Ca(s) + O2(g) (c) 2Al2O3(s) 4Al(s) + 3O2(g) (d) 2MgO(s) 2Mg(s) + O2(g)

1. Using standard absolute entropies at 298K, calculate the entropy change for the system when 1.73...

1. Using standard absolute entropies at 298K, calculate the entropy change for the system when 1.73 moles of CO(g) react at standard conditions. CO(g) + Cl2(g)COCl2(g) 2. Using standard absolute entropies at 298K, calculate the entropy change for the system when 2.00 moles of NH4NO3(aq) react at standard conditions. NH4NO3(aq)N2O(g) + 2H2O(l) 3. Using standard absolute entropies at 298K, calculate the entropy change for the system when 2.35 moles of CO2(g) react at standard conditions. 6CO2(g) + 6H2O(l)C6H12O6 + 6O2(g)

3. Use the standard molar entropies in Appendix B in the textbook to calculate ΔS∘ at...

3. Use the standard molar entropies in Appendix B in the textbook to calculate ΔS∘ at 25 ∘C for each of the following reactions. Part A 2H2O2(l)→2H2O(l)+O2(g) Express your answer as an integer and include the appropriate units. Part B 2SO2(g)+O2(g)→2SO3(g) Express your answer using one decimal place and include the appropriate units. Part C 2O3(g)→3O2(g) Express your answer using one decimal place and include the appropriate units. Part D 4Al(s)+3O2(g)→2Al2O3(s) Express your answer using one decimal place and include...

Use standard enthalpy and entropy data from Appendix G to calculate the standard free energy change...

Use standard enthalpy and entropy data from Appendix G to calculate the standard free energy change for the reaction shown here (298 K). What does the computed value for ΔG° say about the spontaneity of this process? C2 H6(g) ⟶ H2(g) + C2 H4(g)

Calculate the change in standard-state entropy for the following reaction that results in the formation of...

Calculate the change in standard-state entropy for the following reaction that results in the formation of glucose: 6 CO2(g) +6 H2O(l) ⟶ 1 C6H12O6(s) + 6 O2(g) (If applicable, coefficients of one have been included for clarity.) Express your answer with the appropriate units. Use FOUR significant figures.

3. Estimate the values of Compressibility factor, enthalpy and entropy for Benzene and cyclohexane if it...

3. Estimate the values of Compressibility factor, enthalpy and entropy for Benzene and cyclohexane if it compressed from 650 K and 60 bar to 500 K and 110 bar.

Calculate the standard entropy of vaporization of ammonia at 210.0K, given that the molar heat capacities...

Calculate the standard entropy of vaporization of ammonia at 210.0K, given that the molar heat capacities at constant pressure of liquid ammonia and ammonia vapor are 80.8 J.K-1.mol-1 and 35.1 J.K-1mol-1, respectively, in this range.

Calculate the Standard Molar Entropy of methanol ( CH3OH) and ethanol ( C2H5OH) at 25 celcius...

Calculate the Standard Molar Entropy of methanol ( CH3OH) and ethanol ( C2H5OH) at 25 celcius or 298.15 K. Once calculated explain WHY one has a high standard molar entropy. Given = melting point of methanol is 175.47 K; enthaply of fusion is 3.18 KJ/mol; boiling point is 337.7K; enthalpy of vaporization is 35.21 KJ/mol melting point of ethanol is 159.0K; enthalpy of fusion is 5.02KJ/mol; boiling point is 351.44 K; and enthalpy of vaporization is 38.56 KJ/mol . ....

Calculate the value of ΔG°, ΔH°, & ΔS° for the formation of phosphorous trichloride from its...

Calculate the value of ΔG°, ΔH°, & ΔS° for the formation of phosphorous trichloride from its constituent elements at 25°C. P2 (g) + 3Cl2 (g) → 2PCl3 (g) is ________ kJ/mol.

Directions from assignment: Calculate the standard deviation for your data. Describe the range of values that...

Directions from assignment: Calculate the standard deviation for your data. Describe the range of values that are within 3 sigma of the mean and the impact it has on the likelihood of a value being in that range in terms of the variable chosen. My data is : 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15. I calculated the standard deviation as 4.3 and by using the calculated mean of 7.5. I do not know how to describel the range of values or what they are within...

Subjects