n2
17. If 1x , 2 x , 3 x , … , n x are the means of n groups with n1 , n2 , … , nn number of observations respectively, then the mean x of all the groups taken together is given by :
03
Jul
17. If 1x , 2 x , 3 x , … , n x are the means of n groups with n1 , n2 , … , nn number of observations respectively, then the mean x of all the groups taken together is given by : ... 17. If 1x 2 x 3 x n [...]
The vander waal’s constant ‘a’ for teh gases O2, N2 , NH3 and CH4 are 1.3 , 1.390 , 4.170 and 2.253 L^2 atm/mol^2 respectively. THe gas which can be most easily liquified is
12
Feb
The vander waal’s constant ‘a’ for teh gases O2, N2 , NH3 and CH4 are 1.3 , 1.390 , 4.170 and 2.253 L^2 atm/mol^2 respectively. THe gas which can be most easily liquified is 1.390 4.170 and 2.253 L^2 atm/mol^2 respectively. THe gas which can be most easily liquified is n2 NH3 and CH4 are [...]
Which one of the following statements is not correct about the three states of matter that is solid, liquid and gaseous (a) Moleculeous of a solid posses least energy whereas those of a gas posses highest energy (b) The density of solid is highest where as that of gases is lowest (c) Gases like liquids posses definite volumes (d) Molecules of a solid posses voibratory motion
10
Feb
Which one of the following statements is not correct about the three states of matter that is solid, liquid and gaseous (a) Moleculeous of a solid posses least energy whereas those of a gas posses highest energy (b) The density of solid is highest where as that of gases is lowest (c) Gases like liquids [...]
Which one of the following statements is wrong for gases (a) Gases do not have a definite shape and volume (b) Volume of the gas is equal to the volume of the container confining the gas (c) Confined gas exerts uniform pressure on the walls of its container in all directions (d) Mass of the gas cannot be dertermined by weighing a container in which it is enclosed
10
Feb
Which one of the following statements is wrong for gases (a) Gases do not have a definite shape and volume (b) Volume of the gas is equal to the volume of the container confining the gas (c) Confined gas exerts uniform pressure on the walls of its container in all directions (d) Mass of the [...]
The root mean square speeds at STP for the gases H2, N2 , O2 and HBr are in the order
10
Feb
The root mean square speeds at STP for the gases H2, N2 , O2 and HBr are in the order n2 O2 and HBr are in the order The root mean square speeds at STP for the gases H2 February 10, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The correct order of N-compounds in its decreasing order of oxidation states is (a) HNO3, NO, N2, NH4Cl
23
Nov
The correct order of N-compounds in its decreasing order of oxidation states is (a) HNO3, NO, N2, NH4Cl n2 NH4Cl NO+ The correct order of N-compounds in its decreasing order of oxidation states is (a) HNO3 November 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
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) [...]
Tags:
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 ,
The equilibrium constant for the following reaction is 1.6×10^5 at 1024K H2(g)+Br2(g)⇔2HBr(g) find the equilibrium pressure of all gases if 10.0 bar of HBr is introduced into a sealed container at 1024K.
22
Nov
The equilibrium constant for the following reaction is 1.6×10^5 at 1024K H2(g)+Br2(g)⇔2HBr(g) find the equilibrium pressure of all gases if 10.0 bar of HBr is introduced into a sealed container at 1024K. 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 [...]
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 ,
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 ,