Equilibrium questions
1777 published questions with worked solutions.
- The molar conductivity of a solution of a weak acid HX (0.01 M) is 10 times smaller than the molar conductivity of a solution of...
- A reaction takes place inside a flexible reaction flask. The volume of the reaction flask is doubled. If the initial equilibrium...
- Consider this equilibrium reaction: I_2(g) I_2(s); K_c = 0.5 at T K. Temperature is increased from T K to T'K. How many of the...
- The rate constants for forward and backward reactions of hydrolysis of an ester are 2 10^ -2 and 2 10^ -3 per minute...
- At a certain temperature only 60% HI is dissociated into hydrogen and iodine at equilibrium. What is the value of K_c?
- 1 mole of N_2 and 2 moles of H_2 are present at the start of the reaction N_2(g)+3H_2(g) 2NH_3(g) in a 1 litre vessel. At...
- NH_4HS(s) NH_3(g) + H_2S(g). If the total pressure at equilibrium is 10 atm, what will be the equilibrium constant K_p?
- Fe(OH)_3(s) Fe^ 3+ (aq) + 3OH^-(aq). If the concentration of OH^- ions decreases to 1 3 times, then the equilibrium concentration...
- K_1 and K_2 are the equilibrium constants for the following two reactions: 2AB A_2+B_2; K_1=0.25 AB+ 1 2 C_2 ABC; K_2=25 Find the...
- A(g) 2B(g). Find the temperature (K) at which K_p is equal to K_c (take R=0.0821 L ,atm ,mol^ -1 K^ -1 ).
- At T = 298 K, a vessel of volume 1 L containing 2 mol X_2 is connected via a closed valve to a vessel of volume 3 L containing 3...
- The following reaction takes place in a sealed tube (at constant total pressure of 1 atm) at 298 K: N_2O_4(g) 2NO_2(g). At t=0:...
- The vapour density of N_2O_4 at a certain temperature is 32. What is the % dissociation of N_2O_4?
- At pressures P_1 and P_2, N_2O_4 is dissociated 5% and 10% respectively (at the same temperature). What is the value of P_1 P_2 ?
- Solid calcium bicarbonate decomposes as: Ca(HCO_3)_2(s) CaCO_3(s) + CO_2(g) + H_2O(g). The total pressure is 0.2 bar at 444 K....
- S(l) S(g). The vapour pressure of sulphur is 38 mm Hg at 500 K. Calculate K_c for this reaction.
- A weak monoacidic base is 1% ionized in 0.1 M solution. What is the % of ionization in its 0.025 M solution at the same...
- In a 10^ -4 M Na_2CO_3 solution, solid Ba(NO_3)_2 is gradually dissolved. K_ sp for BaCO_3 is 5.1 10^ -9 . At 'C' concentration...
- The molar solubility of stannic phosphate is 'S'. The corresponding solubility product is K_ sp =m S^n. What is the value of m?
- How many grams of calcium oxalate, on dissolving in one litre of water, will give a saturated solution? K_ sp of the salt is 2.5...
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration