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If the length of a stretched string is shortened by 40% and the tension is increased by 44%, then the ratio of the final and initial fundamental frequencies is
11
Nov
If the length of a stretched string is shortened by 40% and the tension is increased by 44%, then the ratio of the final and initial fundamental frequencies is > If the length of a stretched string is shortened by 40% and the tension is increased by 44% then the ratio of the final and [...]
Calculate the reaction given below in which cases will the reaction proceed toward right by increasing the pressure ?
11
Nov
Calculate the reaction given below in which cases will the reaction proceed toward right by increasing the pressure ? Calculate the reaction given below in which cases will the reaction proceed toward right by increasing the pressure ? November 11, 2020 Category: Chapter 5 - Chemical Equilibrium (Level 1 and Level 2) , N Awasthi [...]
The stationary wave produced on a string is represented by the equation y=5sin( 3/πx )cos(40πt) Where x and y are in cm and t is in s. The distance between consecutive nodes is
11
Nov
The stationary wave produced on a string is represented by the equation y=5sin( 3/πx )cos(40πt) Where x and y are in cm and t is in s. The distance between consecutive nodes is The stationary wave produced on a string is represented by the equation y=5sin( 3/πx )cos(40πt) Where x and y are [...]
For the reaction, AB2(g)⇌AB(g)+B(g) If α is negligible, then degree of dissociation (α) of AB2 is proportional to:
11
Nov
For the reaction, AB2(g)⇌AB(g)+B(g) If α is negligible, then degree of dissociation (α) of AB2 is proportional to: AB2(g)⇌AB(g)+B(g) If α is negligible For the reaction then degree of dissociation (α) of AB2 is proportional to: November 11, 2020 Category: Chapter 5 - Chemical Equilibrium (Level 1 and Level 2) , N Awasthi [...]
Which of the following is correct about the chemical equilibrium?
11
Nov
Which of the following is correct about the chemical equilibrium? Which of the following is correct about the chemical equilibrium? November 11, 2020 Category: Chapter 5 - Chemical Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
Catalyst (i) increases the average kinetic energy of the molecules . (ii) decreases the activation energy
11
Nov
Catalyst (i) increases the average kinetic energy of the molecules . (ii) decreases the activation energy Catalyst (i) increases the average kinetic energy of the molecules . (ii) decreases the activation energy November 11, 2020 Category: Chapter 5 - Chemical Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
ASSERTION A catalyst does not alter the equilibrium constant REASON Because for the catalysed reaction and uncatalysed reaction triangle H remains same and equilibrium constant depends on triangle H.
11
Nov
ASSERTION A catalyst does not alter the equilibrium constant REASON Because for the catalysed reaction and uncatalysed reaction triangle H remains same and equilibrium constant depends on triangle H. ASSERTION A catalyst does not alter the equilibrium constant REASON Because for the catalysed reaction and uncatalysed reaction triangle H remains same and equilibrium constant depends [...]
An open and closed organ pipe have same length. The ratio of p^th mode of frequency of vibration of two pipes is
11
Nov
An open and closed organ pipe have same length. The ratio of p^th mode of frequency of vibration of two pipes is An open and closed organ pipe have same length. The ratio of p^th mode of frequency of vibration of two pipes is November 11, 2020 Category: Chapter 17 - Wave Motion , MTG [...]
ASSERTION For the physical equilibrium H2O(s) ⇌ H2O(l) on increasing temperature and increasing pressure more water will form. REASON Since the forward reaction is endothermic in nature and volume of water is greater than that of the volume of ice.
11
Nov
ASSERTION For the physical equilibrium H2O(s) ⇌ H2O(l) on increasing temperature and increasing pressure more water will form. REASON Since the forward reaction is endothermic in nature and volume of water is greater than that of the volume of ice. The most stable oxides of nitrogen will be : November 11, 2020 Category: Chapter 5 [...]
Statement 1 : For a reaction at certain temperature A(g) + B(g) ⇌ C(g) there will be no effect by a additional of inert gas at constant volume. Statement 2 : Molar concentration of all gases remains constant.
11
Nov
Statement 1 : For a reaction at certain temperature A(g) + B(g) ⇌ C(g) there will be no effect by a additional of inert gas at constant volume. Statement 2 : Molar concentration of all gases remains constant. The most stable oxides of nitrogen will be : November 11, 2020 Category: Chapter 5 - Chemical [...]