Homework Answers
Ans. - 233.1 J/mol K
Calculation
Srxn
= (So of C2H6) - [So of C2H2 + 2 * (So of H2)]
Srxn
= 229.2 - [200.9 + 2*130.7]
Srxn
= 229.2 - 462.3
Therefore,
Srxn is - 233.1 J/mol K.
Add Answer to:
e for Calculate a srxn for the following reaction. The s is shown bellow the reaction....
#13. Please show every step, even the simple mathematics. I need to fully understand the concept...
#13. Please show every step, even the simple mathematics. I
need to fully understand the concept behind this and how to do it.
What is the S of each species and why was it is done that way??
Thank you!!
it fonowIng lR Order of increasing molar entropy at 298 K. NO CO SO A) NO < CO So B) SO CO< NO C) SO< NO CO D) CO < SO NO E) CO < NO SO 13. Calculate ΔSorxn...
2. For the following example, identify the following. H2O(l) → H2O(s) question 2 options a negative...
2. For the following example, identify the following.
H2O(l) → H2O(s)
question 2 options
a negative ΔH and a negative ΔS
a positive ΔH and a negative ΔS
a negative ΔH and a positive ΔS
a positive ΔH and a positive ΔS
It is not possible to determine without more information.
3. Calculate ΔS°rxn for the following reaction. The S° for each
species is shown below the reaction.
C2H2(g) + H2(g) →
C2H4(g)
S°(J/mol∙K) 200.9 130.7 219.3
Question 4 options:...
Chemistry midterm help please! <3 7. What is the difference between the AU and AH of...
Chemistry midterm help please! <3
7. What is the difference between the AU and AH of a reaction? A) AU is a state function, while AH is not a state function B) AH is a state function, while AU is not a state function. C) AU = heat of reaction at constant volume conditions; AH = heat of reaction at constant-pressure conditions D) AU is the heat of reaction, AH is the work done by the reaction E) AU =...
Calculate AS rxn for the following reaction. The S for each species is shown below the...
Calculate AS rxn for the following reaction. The S for each species is shown below the reaction. C4H2(g)+ 2 H2lg)2C2H3(g) Given: S°J/mol 'K) 18 3.0 24 surmorK) : C4H2" 18 ;·H2-3.0 ; C2H3-24 O a. +24 JK O b. 24 J/K ??. 27 JK d.-27 J/K Oe-3.0 J/K
Q ) calculate the overall cell potential for the following reaction using the data bellow at...
Q ) calculate the overall cell potential for the following reaction using the data bellow at 25°c.- col co2+1 Ni 2+1Ni [ Ni2+] =liom, [co 2+] = ou M, R = 8.314T mol-1.K-1 F = 965,00 Cmolt Nilt +2 e cort tre- Ni Co Eo - 0.257 toro 280 V
calculate the standard free energy change for the following reaction Pb(l) + 1/2 O2(g) = PbO(s)...
calculate the standard free energy change for the following
reaction Pb(l) + 1/2 O2(g) = PbO(s) at 527 C
(EBB 160 -7- [b] Calculate the standard free energy change for the following reaction Pb (I)+ 2 O2 (g)-PbO (s) at 527°C given the following data AH 298 PhOUS)-220,080 J/mol AH R00 PROUS 220,424,4-JHmot 8 k ASo 298,PbO(S)=68.04 JIKImol AS 298,Ph(8)65.1 JIKImol 205.88 J/KImol AS 298,02(g) SG.Cn /K/mol CP PHOS)=44.52 +16.8x10 JIK/mol V Cp.Phe)=23.65+9.79x10( K/mol Cp Pory=32.55-3.108x10 1.68x10% Croe)=30.07+4.2x10 JIKImol 327°C...
1) Calculate the cell potential, E°cell, for the following electrochemical reaction. Cu(s) + I2(g) → Cu+2(aq)...
1) Calculate the cell potential, E°cell, for the following electrochemical reaction. Cu(s) + I2(g) → Cu+2(aq) + 2I-1(aq) E = ? a.-0.87 V b.-0.19 V c.0.19 V d.0.87 V 2) Calculate the equilibrium constant (Keq) for the following reaction at 25 °C? (Faraday's Constant = 96,500 J / V · mol) & (R = 8.314 J / mol · K) 2Fe+3(aq) + Sn+2(aq) → 2Fe+2(aq) + Sn+4(aq) K = ? a. 4.04 x 107 b. 3.44 x 1018 c. 4.48...
Given the thermodynamic data below, calculate the value of the equilibrium constant for the reaction shown...
Given the thermodynamic data below, calculate the value of the
equilibrium constant for the reaction shown at 25.0ºC
H₂ (g) + I₂ (g) ⇄ 2 HI (g)
Given the thermodynamic data below, calculate the value of the equilibrium constant for the reaction shown at 25.0°C H2(g) + 12 (g) = 2 HI(g) AH° = -9.48 kJ AS° = +21.79 J/K K= at 25.0°C Check
Consider the reaction Fe(s) + 2HCl(aq) —FeCl2(s) + H2(g) for which A Hº = -7.400 kJ...
Consider the reaction Fe(s) + 2HCl(aq) —FeCl2(s) + H2(g) for which A Hº = -7.400 kJ and AS° = 107.9 J/K at 298.15 K. (1) Calculate the entropy change of the UNIVERSE when 1.769 moles of Fe(s) react under standard conditions at 298.15 K. Asuniverse = | JIK (2) Is this reaction reactant or product favored under standard conditions? (3) If the reaction is product favored, is it enthalpy favored, entropy favored, or favored by both enthalpy and entropy? If...
AH-116.4 kJ/mol 4. Consider the following reaction: NH.NO, (s) N20 (8) + 2 H20 (g) Calculate...
AH-116.4 kJ/mol 4. Consider the following reaction: NH.NO, (s) N20 (8) + 2 H20 (g) Calculate AGⓇ for the reaction. Substance S” (J/mol K) NH.NO, (3) 151 N:0 (8) 220 H:0 (9) 183 5. The first step in the commercial production of titanium metal is the reaction of Tio: with chlorine an graphite: TiO2 (s) + 2 Cl: (g) + 2C (5) Tici: (1) + 2 CO(g) Calculate AGº for the reaction. Substance AG? (kJ/mol Substance AG® (kJ/mol) C(s) TiCl...
#13. Please show every step, even the simple mathematics. I
need to fully understand the concept behind this and how to do it.
What is the S of each species and why was it is done that way??
Thank you!!
it fonowIng lR Order of increasing molar entropy at 298 K. NO CO SO A) NO < CO So B) SO CO< NO C) SO< NO CO D) CO < SO NO E) CO < NO SO 13. Calculate ΔSorxn...
2. For the following example, identify the following.
H2O(l) → H2O(s)
question 2 options
a negative ΔH and a negative ΔS
a positive ΔH and a negative ΔS
a negative ΔH and a positive ΔS
a positive ΔH and a positive ΔS
It is not possible to determine without more information.
3. Calculate ΔS°rxn for the following reaction. The S° for each
species is shown below the reaction.
C2H2(g) + H2(g) →
C2H4(g)
S°(J/mol∙K) 200.9 130.7 219.3
Question 4 options:...
Chemistry midterm help please! <3
7. What is the difference between the AU and AH of a reaction? A) AU is a state function, while AH is not a state function B) AH is a state function, while AU is not a state function. C) AU = heat of reaction at constant volume conditions; AH = heat of reaction at constant-pressure conditions D) AU is the heat of reaction, AH is the work done by the reaction E) AU =...
Calculate AS rxn for the following reaction. The S for each species is shown below the reaction. C4H2(g)+ 2 H2lg)2C2H3(g) Given: S°J/mol 'K) 18 3.0 24 surmorK) : C4H2" 18 ;·H2-3.0 ; C2H3-24 O a. +24 JK O b. 24 J/K ??. 27 JK d.-27 J/K Oe-3.0 J/K
Q ) calculate the overall cell potential for the following reaction using the data bellow at 25°c.- col co2+1 Ni 2+1Ni [ Ni2+] =liom, [co 2+] = ou M, R = 8.314T mol-1.K-1 F = 965,00 Cmolt Nilt +2 e cort tre- Ni Co Eo - 0.257 toro 280 V
calculate the standard free energy change for the following
reaction Pb(l) + 1/2 O2(g) = PbO(s) at 527 C
(EBB 160 -7- [b] Calculate the standard free energy change for the following reaction Pb (I)+ 2 O2 (g)-PbO (s) at 527°C given the following data AH 298 PhOUS)-220,080 J/mol AH R00 PROUS 220,424,4-JHmot 8 k ASo 298,PbO(S)=68.04 JIKImol AS 298,Ph(8)65.1 JIKImol 205.88 J/KImol AS 298,02(g) SG.Cn /K/mol CP PHOS)=44.52 +16.8x10 JIK/mol V Cp.Phe)=23.65+9.79x10( K/mol Cp Pory=32.55-3.108x10 1.68x10% Croe)=30.07+4.2x10 JIKImol 327°C...
Given the thermodynamic data below, calculate the value of the
equilibrium constant for the reaction shown at 25.0ºC
H₂ (g) + I₂ (g) ⇄ 2 HI (g)
Given the thermodynamic data below, calculate the value of the equilibrium constant for the reaction shown at 25.0°C H2(g) + 12 (g) = 2 HI(g) AH° = -9.48 kJ AS° = +21.79 J/K K= at 25.0°C Check
Consider the reaction Fe(s) + 2HCl(aq) —FeCl2(s) + H2(g) for which A Hº = -7.400 kJ and AS° = 107.9 J/K at 298.15 K. (1) Calculate the entropy change of the UNIVERSE when 1.769 moles of Fe(s) react under standard conditions at 298.15 K. Asuniverse = | JIK (2) Is this reaction reactant or product favored under standard conditions? (3) If the reaction is product favored, is it enthalpy favored, entropy favored, or favored by both enthalpy and entropy? If...
AH-116.4 kJ/mol 4. Consider the following reaction: NH.NO, (s) N20 (8) + 2 H20 (g) Calculate AGⓇ for the reaction. Substance S” (J/mol K) NH.NO, (3) 151 N:0 (8) 220 H:0 (9) 183 5. The first step in the commercial production of titanium metal is the reaction of Tio: with chlorine an graphite: TiO2 (s) + 2 Cl: (g) + 2C (5) Tici: (1) + 2 CO(g) Calculate AGº for the reaction. Substance AG? (kJ/mol Substance AG® (kJ/mol) C(s) TiCl...
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