Equilibrium questions
1777 published questions with worked solutions.
- The rate constant for forward reaction and backward reaction of hydrolysis of ester are 1.1 10^ -2 and 1.5 10^ -3 per minute...
- Partial pressure of A,B,C and D on the basis of a gaseous system, A+2B C+3D, are A=0.20,B=0.10,C=0.30 and D=0.50 atm. The...
- 5 moles of X are mixed with 3 moles of Y. At equilibrium for the reaction, X+Y Z, 2 moles of Z are formed. The equilibrium...
- The reaction between N_2 and H_2 to form ammonia has K_c=6 10^ -2 at the temperature 500°C. The numerical value of K_p for this...
- In the reaction, PCl_5(g) PCl_3(g)+Cl_2(g), the equilibrium concentration of PCl_5 and PCl_3 are 0.4 and 0.2 mol/L respectively....
- For the reactions, H_2(g)+CO_2(g) CO(g)+H_2O(g) if the initial concentration of [H_2]=[CO_2] and x mol/L of hydrogen is consumed...
- For the reaction, 2NO_2(g) 2NO(g)+O_2(g), K_c=1.8 10^ -6 at 185°C. At 185°C, the value of K_c for the reaction, NO(g)+ 12O_2(g)...
- Ammonia under a pressure of 15 atm at 27°C is heated to 347°C in a closed vessel in the presence of catalyst. Under the...
- CH_3COOH(l)+C_2H_5OH(l) CH_3COOC_2H_5(l)+H_2O(l). In the above reaction, one mole of each of acetic acid and alcohol are heated...
- 4.5 moles each of hydrogen and iodine heated in a sealed 10 L vessel. At equilibrium 3 moles of HI were found. The equilibrium...
- The unit of equilibrium constant, K for the reaction, A+B C, would be
- For which of the following reactions, does the equilibrium constant depend on the units of concentration?
- In which of the following reactions, the value of K_p will be equal to K_c?
- The value of K_p for the following reaction, 2H_2S(g) 2H_2(g)+S_2(g), is 1.2 10^ -2 at 106.5°C. The value of K_c for this...
- At constant temperature, the equilibrium constant (K_p) for the decomposition reaction N_2O_4(g) 2NO_2(g) is expressed by K_p=...
- For the reaction, H_2+I_2 2HI, the equilibrium concentration of H_2, I_2 and HI are 8.0, 3.0 and 28.0 mol/L respectively. The...
- H_2+I_2 2HI. In the above equilibrium system, if the concentration of the reactants at 25°C is increased, the value of K_c will
- The vapour density of N_2O_4 at a certain temperature is 30. What is the percentage dissociation of N_2O_4 at this temperature?
- For the decomposition reaction NH_2COONH_4(s) 2NH_3(g)+CO_2(g). The K_p=2.9 10^ -5 atm ^3. The total pressure of gases at...
- Starting with 1 mole of N_2O_4, if is the degree of dissociation of N_2O_4 for the reaction N_2O_4 2NO_2 then at equilibrium the...
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