NCERT Exemplar Class 11
At 1127 K and 1 atm pressure, a gaseous mixture of CO and CO 2 in equilibrium with solid carbon has 90.55% CO by mass; C (s) + CO2(g) ⇌2CO(g) Calculate Kc for the reaction at the above temperature.
22
Nov
At 1127 K and 1 atm pressure, a gaseous mixture of CO and CO 2 in equilibrium with solid carbon has 90.55% CO by mass; C (s) + CO2(g) ⇌2CO(g) Calculate Kc for the reaction at the above temperature. a gaseous mixture of CO and CO 2 in equilibrium with solid carbon has 90.55% [...]
Bromine monochloride, BrCl decomposes into bromine and chlorine and reaches the equilibrium 2BrCl(g)→Br2(g)+Cl2(g) For which Kc = 32 at 500K. If initially pure BrCl is present at a concentration of 3.3×10^−3 molL^−1 , what is it’s molar concentration in the mixture of equilibrium?
22
Nov
Bromine monochloride, BrCl decomposes into bromine and chlorine and reaches the equilibrium 2BrCl(g)→Br2(g)+Cl2(g) For which Kc = 32 at 500K. If initially pure BrCl is present at a concentration of 3.3×10^−3 molL^−1 , what is it’s molar concentration in the mixture of equilibrium? BrCl decomposes into bromine and chlorine and reaches the equilibrium 2BrCl(g)→Br2(g)+Cl2(g) For [...]
Equilibrium constant, Kc for the reaction, 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, N2 ,2.0 mol litre^−1 H2 , and 0.5 mol litre^−1 NH3. Is the reaction at equilibrium? If not, in which direction does the reaction tend to proceed to reach equilibrium?
22
Nov
Equilibrium constant, Kc for the reaction, 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, N2 ,2.0 mol litre^−1 H2 , and 0.5 mol litre^−1 NH3. Is the reaction at equilibrium? If not, in [...]
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 ,
One of the reaction that takes place in producing steel from iron ore is the reduction of iron(II) oxide by carbon monoxide to give iron metal and CO2. FeO(s)+CO(g)⇔Fe(s)+CO2(g),Kp=0.265 atm at 1050K What are the equilibrium partial pressure of CO and CO2 at 1050K if the partical pressure are: pCO=1.4atm and pCO2=0.80atm?
22
Nov
One of the reaction that takes place in producing steel from iron ore is the reduction of iron(II) oxide by carbon monoxide to give iron metal and CO2. FeO(s)+CO(g)⇔Fe(s)+CO2(g),Kp=0.265 atm at 1050K What are the equilibrium partial pressure of CO and CO2 at 1050K if the partical pressure are: pCO=1.4atm and pCO2=0.80atm? 1.92 mol of [...]
Tags:
1.92 mol of H2 and 8.13 mol of NH3 is introduced in a 20L reaction vessel at 500K.At this temperature the equilibrium constant ,
A mixture of 1.57 mol of N2 ,
Kc for the reaction N2 (g)+3H2(g)⇌2NH3(g) is 1.7×10^2. Is the reaction mixture at equilibrium? If not what is the direction of net reaction? ,
A sample of pure PCl5 was introduced into an evacuated vessel at 473K. After equilibrium was attained, concentration of PCl5 was found to be 0.5×10^−1mol litre^−1. If value of Kc is 8.3 × 10^−3 mol litre^−1. What are the concentrations of PCl3 and Cl2 at equilibrium ?
22
Nov
A sample of pure PCl5 was introduced into an evacuated vessel at 473K. After equilibrium was attained, concentration of PCl5 was found to be 0.5×10^−1mol litre^−1. If value of Kc is 8.3 × 10^−3 mol litre^−1. What are the concentrations of PCl3 and Cl2 at equilibrium ? 1.92 mol of H2 and 8.13 mol [...]
Tags:
1.92 mol of H2 and 8.13 mol of NH3 is introduced in a 20L reaction vessel at 500K.At this temperature the equilibrium constant ,
A mixture of 1.57 mol of N2 ,
Kc for the reaction N2 (g)+3H2(g)⇌2NH3(g) is 1.7×10^2. Is the reaction mixture at equilibrium? If not what is the direction of net reaction? ,
The ester, ethyl acetate is formed by the reaction between ethanol and acetic acid and equilibrium is represented as : CH3COOH (l) +C2H5OH(l) ⇌CH3COOC2H5l + H2O (l)
22
Nov
The ester, ethyl acetate is formed by the reaction between ethanol and acetic acid and equilibrium is represented as : CH3COOH (l) +C2H5OH(l) ⇌CH3COOC2H5l + H2O (l) ethyl acetate is formed by the reaction between ethanol and acetic acid and equilibrium is represented as : CH3COOH (l) +C2H5OH(l) ⇌CH3COOC2H5l + H2O (l) The [...]
What is the equilibrium concentration of each of the substances in the equilibrium when the initial concentration of ICl was 0.78 M? 2ICl(g) ⇌ I2(g) + Cl2 (g);Kc = 0.14
22
Nov
What is the equilibrium concentration of each of the substances in the equilibrium when the initial concentration of ICl was 0.78 M? 2ICl(g) ⇌ I2(g) + Cl2 (g);Kc = 0.14 What is the equilibrium concentration of each of the substances in the equilibrium when the initial concentration of ICl was 0.78 M? 2ICl(g) ⇌ I2(g) [...]
At 700 K equilibrium constant for the reaction; H2(g) + I2(g) ⇌ 2HI(g) is 54.8. If 0.5 mol litre^ −1 of HI(g) is present at equilibrium at 700 K, what are the concentrations of H2(g) and I2(g) assuming that we initially started with HI(g) and allowed it to reach equilibrium at 700 K.
22
Nov
At 700 K equilibrium constant for the reaction; H2(g) + I2(g) ⇌ 2HI(g) is 54.8. If 0.5 mol litre^ −1 of HI(g) is present at equilibrium at 700 K, what are the concentrations of H2(g) and I2(g) assuming that we initially started with HI(g) and allowed it to reach equilibrium at 700 K. At 700 [...]
One mole of H2O and one mole of CO are taken in a 10litre vessel and heated to 725 K. At equilibrium, 40percent of water (by mass) reacts with CO according to the equation, H2O(g)+CO(g)⇔H2(g)+CO2(g) Calculate the equilibrium constant for the reaction.
22
Nov
One mole of H2O and one mole of CO are taken in a 10litre vessel and heated to 725 K. At equilibrium, 40percent of water (by mass) reacts with CO according to the equation, H2O(g)+CO(g)⇔H2(g)+CO2(g) Calculate the equilibrium constant for the reaction. 40percent of water (by mass) reacts with CO according to the equation H2O(g)+CO(g)⇔H2(g)+CO2(g) [...]
The equilibrium constant expression for a gas reaction is, KC = [NO]^4 [H2O]^6/ [NH3 ]^4 [O2 ]^5 The balanced chemical equation corresponding to this expression is.
22
Nov
The equilibrium constant expression for a gas reaction is, KC = [NO]^4 [H2O]^6/ [NH3 ]^4 [O2 ]^5 The balanced chemical equation corresponding to this expression is. KC = [NO]^4 [H2O]^6/ [NH3 ]^4 [O2 ]^5 The balanced chemical equation corresponding to this expression is. The equilibrium constant expression for a gas reaction is November [...]