Chapter 5 – Chemical Equilibrium (Level 1 and Level 2)
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Consider the following equilibrium N2O4(g) ⇋ 2NO2(g) Then the select the correct graph which shows the variation in concentrations of NO2 against concentrations of N2O4.
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Nov
Consider the following equilibrium N2O4(g) ⇋ 2NO2(g) Then the select the correct graph which shows the variation in concentrations of NO2 against concentrations of N2O4. Consider the following equilibrium N2O4(g) ⇋ 2NO2(g) Then the select the correct graph which shows the variation in concentrations of NO2 against concentrations of N2O4. November 11, 2020 Category: Chapter [...]
At 200^oC Pcl5 dissociates as follows: PCl5(g)⇌PCl3 (g)+Cl2(g). It was found that the equilibrium vapours are 62 times as heavy as hydrogen. The degree of dissociation of PCl5 at 200^o C is nearly.
11
Nov
At 200^oC Pcl5 dissociates as follows: PCl5(g)⇌PCl3 (g)+Cl2(g). It was found that the equilibrium vapours are 62 times as heavy as hydrogen. The degree of dissociation of PCl5 at 200^o C is nearly. At 200^oC Pcl5 dissociates as follows: PCl5(g)⇌PCl3 (g)+Cl2(g). It was found that the equilibrium vapours are 62 times as heavy as hydrogen. [...]
At a certain temperature the equilibrium constant Kc is 0.25 for the reaction A2(g) +B2(g) ⇌C2(g) +D2(g) . If we take 1 mole of each of the four gases in a 10 litre container, what would be equilibrium concentration of A2(g) ?
11
Nov
At a certain temperature the equilibrium constant Kc is 0.25 for the reaction A2(g) +B2(g) ⇌C2(g) +D2(g) . If we take 1 mole of each of the four gases in a 10 litre container, what would be equilibrium concentration of A2(g) ? At a certain temperature the equilibrium constant Kc is 0.25 for [...]
Pure nitrosyl chloride (NOCI) gas was heated to 240°C in a 1.0 L container. At equilibrium the total pressure was 1.0 atm and the NOCI pressure was 0.64 atm. What would be the value of Kp?
11
Nov
Pure nitrosyl chloride (NOCI) gas was heated to 240°C in a 1.0 L container. At equilibrium the total pressure was 1.0 atm and the NOCI pressure was 0.64 atm. What would be the value of Kp? Pure nitrosyl chloride (NOCI) gas was heated to 240°C in a 1.0 L container. At equilibrium the total pressure [...]
At 1000K, a sample of pure NO2 gas decomposes as: 2NO2(g) ⇌ 2NO(g)+O2 (g) The equilibrium constant Kp is156.25 atm. Analysis shows that the partial pressure of o2 is 0.25 atm at equilibrium. The partial pressure of NO2 at equilibrium is:
11
Nov
At 1000K, a sample of pure NO2 gas decomposes as: 2NO2(g) ⇌ 2NO(g)+O2 (g) The equilibrium constant Kp is156.25 atm. Analysis shows that the partial pressure of o2 is 0.25 atm at equilibrium. The partial pressure of NO2 at equilibrium is: A catalyst increases the rate of reaction by: At 1000K November 11, 2020 Category: [...]
B3(g) is dissociates as AB3(g)⇔AB∘(g)+1/2B2(g) When the initial pressure of AB3 is 800 torr and the pressure developed at equilibrium is 900 torr , what fraction of AB(3)(g)` is dissociated?
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Nov
B3(g) is dissociates as AB3(g)⇔AB∘(g)+1/2B2(g) When the initial pressure of AB3 is 800 torr and the pressure developed at equilibrium is 900 torr , what fraction of AB(3)(g)` is dissociated? B3(g) is dissociates as AB3(g)⇔AB∘(g)+1/2B2(g) When the initial pressure of AB3 is 800 torr and the pressure developed at equilibrium is 900 torr what fraction [...]
Fe2O3(s) may be converted to Fe by the reaction, Fe2O3 + 3H2(g) ⇌ 2Fe(s) + 3H2 O(g) ; for which Kp = 8 at temperature 720C. What % of H2 remains unreacted after the reaction has come to equilibrium?
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Nov
Fe2O3(s) may be converted to Fe by the reaction, Fe2O3 + 3H2(g) ⇌ 2Fe(s) + 3H2 O(g) ; for which Kp = 8 at temperature 720C. What % of H2 remains unreacted after the reaction has come to equilibrium? Fe2O3 + 3H2(g) ⇌ 2Fe(s) + 3H2 O(g) ; for which Kp = 8 [...]
For the reaction XCO3 (s) ⇌ XO(s) + CO2(g), Kp=1.642 atm at 727^oC. If 4 moles of XCO3 (s) was put into a 50 litre container and heated to 727^oC. What mole percent of the XCO3 remains unreacted at equilibrium?
11
Nov
For the reaction XCO3 (s) ⇌ XO(s) + CO2(g), Kp=1.642 atm at 727^oC. If 4 moles of XCO3 (s) was put into a 50 litre container and heated to 727^oC. What mole percent of the XCO3 remains unreacted at equilibrium? For the reaction XCO3 (s) ⇌ XO(s) + CO2(g) Kp=1.642 atm at 727^oC. If 4 [...]
For the reaction, SnO2(s) +2H 2(g) ⇌ 2H2O(g) +Sn(l) at 900K, in the equilibrium steam and hydrogen mixture was found to be 45% H2 by volume .The Kp of the reaction is :
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Nov
For the reaction, SnO2(s) +2H 2(g) ⇌ 2H2O(g) +Sn(l) at 900K, in the equilibrium steam and hydrogen mixture was found to be 45% H2 by volume .The Kp of the reaction is : For the reaction in the equilibrium steam and hydrogen mixture was found to be 45% H2 by volume .The Kp of the [...]
Pure PCl5 is introduced into an evacuated chamber and to equilibrium at 247∘C and 2.0 atm .The equilibrium gases mitxure contains 40% chorine by volume . Calculate Kp at 247^∘C for the reaction PCl5(g)⇔PCl3(G)+Cl2(g)
11
Nov
Pure PCl5 is introduced into an evacuated chamber and to equilibrium at 247∘C and 2.0 atm .The equilibrium gases mitxure contains 40% chorine by volume . Calculate Kp at 247^∘C for the reaction PCl5(g)⇔PCl3(G)+Cl2(g) A catalyst increases the rate of reaction by: November 11, 2020 Category: Chapter 5 - Chemical Equilibrium (Level 1 and Level [...]