04:19What Is Dynamic Equilibrium? | Reactions | Chemistry | FuseSchoolFuseSchool - Global Education704views1rank
Multiple ChoiceWhich one of the following statements does not describe the equilibrium state?a. While at equilibrium, a dynamic process is still occurring. b. The concentration of the reactants is equal to the concentration of the products.c. The concentration of the reactants and products reach a constant level.d. At equilibrium, the net concentration of all species is not changing.e. All are true. 3237views1rank2comments
Multiple ChoiceState which is greater in amount:reactants or products, based on the given equilibrium constant, K. 1723views7rank1comments
Multiple ChoiceThe decomposition of nitrogen monoxide can be achieved under high temperatures to create the products of nitrogen and oxygen gas. 6 NO(aq) ⇌ 3 N2(aq) + 3 O2(aq) a) What is the equilibrium equation for the reaction above?b) What is the equilibrium expression for the reverse reaction. 1919views6rank4comments
Multiple ChoiceThe equilibrium constant, K, for 2 NO (g) + O2 (g) ⇌ 2 NO2 (g) is 6.9 x 102. What is the [NO] in an equilibrium mixture of gaseous NO, O2, and NO2 at 500 K that contains 1.5 x 10 –2 M O2 and 4.3 x 10 –3 M NO2?4479views12rank15comments
Multiple ChoiceIn which of the given reactants is Kp greater than, less than and equal to Kc?a) SO3 (g) + NO (g) ⇌ SO2 (g) + NO2 (g)b) P4 (s) + 5 O4 (g) ⇌ P4O10 (s)c) 4 NH3 (g) + 3 O2 (g) ⇌ 2 N2 (g) + 6 H2O (g)2899views3rank6comments
Multiple ChoiceGiven the hypothetical reaction 2 A (s) + ? B (g) ⇌ 3 C (g), Kp = 0.0105 and Kc = 0.45 at 250 degrees Celsius. What is the value of the coefficient of B? 2125views1rank9comments
Multiple ChoiceWrite the equilibrium constant expression for the following reaction: CH4 (g) + 2 H2S (g) ⇆ CS2 (g) + 4 H2 (g)383views
Multiple ChoiceWhich of the following is true about the role of solids and liquids in equilibrium processes?239views
Multiple ChoiceMethane (CH4) reacts with hydrogen sulfide to yield hydrogen gas and carbon disulfide, a solvent used in the manufacturing rayon and cellophane. What is the value of Kc at 1000 K if the partial pressures in an equilibrium mixture at 1000 K are 0.20 atm methane, 0.15 atm hydrogen sulfide, 0.30 atm carbon disulfide and 0.10 atm hydrogen gas? CH4 (g) + 2 H2S (g) ⇌ 4 H2 (g) + CS2 (g)2264views4rank9comments
Multiple ChoiceWhich of the following does not represent a heterogenous equilibrium? I) CH4(g) + 2 O2(g) ⇌ CO2(g) + 2 H2O(g) II) CO2(g) + C(s) ⇌ 2 CO(g)III) 2 H2O(l) ⇌ 2 H2(g) + O2(g)IV) CH3COOH(aq) + H2O(l) ⇌ CH3COO–(aq) + H3O+(aq)366views17rank
Open QuestionWhich statement correctly describes a reaction in dynamic equilibrium? At dynamic equilibrium, the reactions stop and the amounts of reactants and products do not change. At dynamic equilibrium, the reactions continue but the amounts of reactants and products do not change. At dynamic equilibrium, the reactions stop but the amounts of reactants and products are changing. At dynamic equilibrium, the reactions continue and the amounts of reactants and products are changing.987views