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At 473 K, equilibrium constant Kc for decomposition of phosphorus pentachloride, PCl5 is 8.3×10^−3 . If decomposition is depicted as, PCl 5(g)⇌PCl 3(g)+Cl2(g) Δ rH ⊖ = 124.0 kJ mol^−1 (a) Write an expression for Kc for the reaction. (b) What is the value of Kc for the reverse reaction at the same temperature? (c) What would be the effect on Kc if (i) more PCl5 is added (ii) pressure is increased (iii) the temperature is increased ?
22
Nov
At 473 K, equilibrium constant Kc for decomposition of phosphorus pentachloride, PCl5 is 8.3×10^−3 . If decomposition is depicted as, PCl 5(g)⇌PCl 3(g)+Cl2(g) Δ rH ⊖ = 124.0 kJ mol^−1 (a) Write an expression for Kc for the reaction. (b) What is the value of Kc for the reverse reaction at the same temperature? (c) [...]
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2.0 mol litre^−1 H2 ,
and 0.5 mol litre^−1 NH3. Is the reaction at equilibrium? If not ,
At 473 K ,
Equilibrium constant ,
equilibrium constant Kc for decomposition of phosphorus pentachloride ,
in which direction does the reaction tend to proceed to reach equilibrium? ,
Kc for the reaction ,
n2 ,
N2(g)+3H2(g) ⇌ 2NH3(g) ; at 500 K is 0.061 litre 2 mole^−2. At a particular time ,
PCl5 is 8.3×10^−3 . If decomposition is depicted as ,
the analysis shows that composition of the reaction mixture is 3.00 mol litre^−1 ,
Dihydrogen gas is obtained from natural gas by partial oxidation with steam as per following endothermic reaction: CH4 (g)+H2 O(g)⇌CO(g)+3H2 (g) (a) Write as expression for Kp for the above reaction. (b) How will the values of Kp and composition of equilibrium mixture be affected by (i) increasing the pressure, (ii) Increasing the temperature and (iii) Using a catalyst?
22
Nov
Dihydrogen gas is obtained from natural gas by partial oxidation with steam as per following endothermic reaction: CH4 (g)+H2 O(g)⇌CO(g)+3H2 (g) (a) Write as expression for Kp for the above reaction. (b) How will the values of Kp and composition of equilibrium mixture be affected by (i) increasing the pressure, (ii) Increasing the temperature and [...]
Tags:
2.0 mol litre^−1 H2 ,
and 0.5 mol litre^−1 NH3. Is the reaction at equilibrium? If not ,
Equilibrium constant ,
in which direction does the reaction tend to proceed to reach equilibrium? ,
Kc for the reaction ,
n2 ,
N2(g)+3H2(g) ⇌ 2NH3(g) ; at 500 K is 0.061 litre 2 mole^−2. At a particular time ,
the analysis shows that composition of the reaction mixture is 3.00 mol litre^−1 ,
Describe the effect of (a) addition of H2 (b) addition of CH3OH (c) removal of CO (d) removal of CH3OH on the equilibrium of the reaction: 2H2(g) + CO (g) ⇌ CH3OH (g)
22
Nov
Describe the effect of (a) addition of H2 (b) addition of CH3OH (c) removal of CO (d) removal of CH3OH on the equilibrium of the reaction: 2H2(g) + CO (g) ⇌ CH3OH (g) Describe the effect of (a) addition of H2 (b) addition of CH3OH (c) removal of CO (d) removal of CH3OH on the [...]
Are the following pair of linear equations consistent? Justify your answer. (ii) 3/5x – y = 1/2, 1/5x – 3y = 1/6
22
Nov
Are the following pair of linear equations consistent? Justify your answer. (ii) 3/5x – y = 1/2, 1/5x – 3y = 1/6 1/5x – 3y = 1/6 Are the following pair of linear equations consistent? Justify your answer. (ii) 3/5x – y = 1/2 November 22, 2020 Category: Chapter 3 - Pair of Linear Equations [...]
Are the following pair of linear equations consistent? Justify your answer. (i) -3x – 4y = 12; 4y + 3x = 12
22
Nov
Are the following pair of linear equations consistent? Justify your answer. (i) -3x – 4y = 12; 4y + 3x = 12 Are the following pair of linear equations consistent? Justify your answer. (i) -3x – 4y = 12; 4y + 3x = 12 November 22, 2020 Category: Chapter 3 - Pair of Linear Equations [...]
Do the following equations represent a pair of coincident lines? Justify your answer. (iii) x/y +y + 2/5 = 0; 4x + 8y + 5/16 = 0
22
Nov
Do the following equations represent a pair of coincident lines? Justify your answer. (iii) x/y +y + 2/5 = 0; 4x + 8y + 5/16 = 0 Do the following equations represent a pair of coincident lines? Justify your answer. (iii) x/y +y + 2/5 = 0; 4x + 8y + 5/16 = 0 November [...]
Do the following equations represent a pair of coincident lines? Justify your answer. (ii) -2x – 3y = 1; 6y + 4x = -2
22
Nov
Do the following equations represent a pair of coincident lines? Justify your answer. (ii) -2x – 3y = 1; 6y + 4x = -2 Do the following equations represent a pair of coincident lines? Justify your answer. (ii) -2x – 3y = 1; 6y + 4x = -2 November 22, 2020 Category: Chapter 3 - [...]
Do the following equations represent a pair of coincident lines? Justify your answer. (i) 3x + 1/7 y = 3; 7x + 3y = 7
22
Nov
Do the following equations represent a pair of coincident lines? Justify your answer. (i) 3x + 1/7 y = 3; 7x + 3y = 7 Do the following equations represent a pair of coincident lines? Justify your answer. (i) 3x + 1/7 y = 3; 7x + 3y = 7 November 22, 2020 Category: Chapter [...]
Do the following pair of linear equations have no solution? Justify your answer. (iii) 3x + y-3 = 0; 2x + 2/3 y = 2
22
Nov
Do the following pair of linear equations have no solution? Justify your answer. (iii) 3x + y-3 = 0; 2x + 2/3 y = 2 Do the following pair of linear equations have no solution? Justify your answer. (iii) 3x + y-3 = 0; 2x + 2/3 y = 2 November 22, 2020 Category: Chapter [...]
Do the following pair of linear equations have no solution? Justify your answer. (ii) x = 2y; y = 2x
22
Nov
Do the following pair of linear equations have no solution? Justify your answer. (ii) x = 2y; y = 2x Do the following pair of linear equations have no solution? Justify your answer. (ii) x = 2y; y = 2x November 22, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , [...]