Use tabulated half-cell potentials to calculate ?G?rxn for each of the following reactions at 25 ?C...

Use tabulated half-cell potentials to calculate ?G?rxn for each of the following reactions at 25 ?C

Pb2+(aq)+Mg(s)?Pb(s)+Mg2+(aq) answer in kJ

Br2(l)+2Cl?(aq)?2Br?(aq)+Cl2(g)

Expert Solution

queen_honey_blossom answered 4 months ago

Use tabulated half-cell potentials to calculate ΔG∘rxn for each of the following reactions at 25 ∘C....

Use tabulated half-cell potentials to calculate ΔG∘rxn for each of the following reactions at 25 ∘C. Part A 2Fe3+(aq)+3Sn(s)→2Fe(s)+3Sn2+(aq) Express the energy change in kilojoules to two significant figures. Part B O2(g)+2H2O(l)+2Cu(s)→4OH−(aq)+2Cu2+(aq) Express the energy change in kilojoules to one significant figure. Part C Br2(l)+2I−(aq)→2Br−(aq)+I2(s) Express the energy change in kilojoules to two significant figures.

For each of the following reactions, calculate ?H?rxn, ?S?rxn, ?G?rxn at 25?C. State whether or not...

For each of the following reactions, calculate ?H?rxn, ?S?rxn, ?G?rxn at 25?C. State whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25?C? 2CH4(g)?C2H6(g)+H2(g) ?H?rxn, ?S?rxn, ?G?rxn at 25?C???

Use the tabulated half-cell potentials below to calculate the equilibrium constant (K) for the following balanced...

Use the tabulated half-cell potentials below to calculate the equilibrium constant (K) for the following balanced redox reaction at 25°C. Pb2+(aq) + Cu(s) → Pb(s) + Cu2+(aq)

For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, and ΔG∘rxn at 25 ∘C. State whether...

For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, and ΔG∘rxn at 25 ∘C. State whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 ∘C?2CH4(g)→C2H6(g)+H2(g), Calculate ΔS∘rxn at 25 ∘C. 2NH3(g)→N2H4(g)+H2(g) Calculate ΔS∘rxn at 25 ∘C. N2(g)+O2(g)→2NO(g) Calculate ΔS∘rxn at 25 ∘C. 2KClO3(s)→2KCl(s)+3O2(g) Calculate ΔS∘rxn at 25 ∘C.

For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, ΔG∘rxn at 25 ∘C. State whether or...

For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, ΔG∘rxn at 25 ∘C. State whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 ∘C? a) 2CH4(g)→C2H6(g)+H2(g) b) 2NH3(g)→N2H4(g)+H2(g) c) N2(g)+O2(g)→2NO(g) d) 2KClO3(s)→2KCl(s)+3O2(g) Can you please show equations. I am having so much trouble with these.

1)For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, and ΔG∘rxn at 25 ∘C. 3H2(g)+Fe2O3(s)→2Fe(s)+3H2O(g) N2(g)+3H2(g)→2NH3(g)...

1)For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, and ΔG∘rxn at 25 ∘C. 3H2(g)+Fe2O3(s)→2Fe(s)+3H2O(g) N2(g)+3H2(g)→2NH3(g) 2)Before investigating the scene, the technician must dilute the luminol solution to a concentration of 6.00×10−2M . The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are present in 2.00 L of the diluted spray? 3)A student placed 11.0 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve...

Calculate the equilibrium constant for each of the reactions at 25∘C. Standard Electrode Potentials at 25...

Calculate the equilibrium constant for each of the reactions at 25∘C. Standard Electrode Potentials at 25 ∘C Reduction Half-Reaction E∘(V) Fe3+(aq)+3e− →Fe(s) -0.036 Sn2+(aq)+2e− →Sn(s) -0.14 Ni2+(aq)+2e− →Ni(s) -0.23 O2(g)+2H2O(l)+4e− →4OH−(aq) 0.40 Br2(l)+2e− →2Br− 1.09 I2(s)+2e− →2I− 0.54 Part A 2Fe3+(aq)+3Sn(s)→2Fe(s)+3Sn2+(aq) Express your answer using two significant figures. Part B O2(g)+2H2O(l)+2Ni(s)→4OH−(aq)+2Ni2+(aq) Express your answer using two significant figures. Part C Br2(l)+2I−(aq)→2Br−(aq)+I2(s) Express your answer using two significant figures.

Use the following half-reactions to write three spontaneous reactions, and calculate E cell for each reaction:...

Use the following half-reactions to write three spontaneous reactions, and calculate E cell for each reaction: a. Au+ (aq) + e- ----> Au (s) E= 1.69 V b. N2O (g) + 2H+ (aq) + 2 e- ----> N2 (g) + H2O (l) E= 1.77 V c. Cr3+ (aq) + 3e- ---> Cr (s) E= -0.74 V

2CH4(g)→C2H6(g)+H2(g) Calculate ΔG∘rxn at 25 ∘C. 2NH3(g)→N2H4(g)+H2(g) Calculate ΔS∘rxn at 25 ∘C. N2(g)+O2(g)→2NO(g) calculate ΔH∘rxn and...

2CH4(g)→C2H6(g)+H2(g) Calculate ΔG∘rxn at 25 ∘C. 2NH3(g)→N2H4(g)+H2(g) Calculate ΔS∘rxn at 25 ∘C. N2(g)+O2(g)→2NO(g) calculate ΔH∘rxn and Calculate ΔG∘rxn at 25 ∘C. 2KClO3(s)→2KCl(s)+3O2(g) calculate ΔH∘rxn .and Calculate ΔG∘rxn at 25 ∘C.

Calculate ?G?rxn and K for each of the following reactions. Part A The reaction of Cr2+(aq)...

Calculate ?G?rxn and K for each of the following reactions. Part A The reaction of Cr2+(aq) with Cr2O2?7(aq) in acid solution to form Cr3+(aq). Calculate ?G?rxn. Part B Calculate K. Express your answer using two significant figures. Part C The reaction of Cr3+(aq) and Cr(s) to form Cr2+(aq). [The reduction potential of Cr2+(aq) to Cr(s) is -0.91 V.] Calculate ?G?rxn. Express your answer using two significant figures. Part D Calculate K. Express your answer using one significant figure.

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