Homework Answers
Dynamic equilibrium exists in reversible reactions where the concentration and rate of formation of reactants and products are same. So, net change in concentration of reactants and products is constant or zero. It can also be defined as a chemical equilibrium where the forward and backward rates are constant.
7. So option (d)
8. Option (d)
A measure of the unavailable energy in a closed thermodynamic system that is also usually considered to be a measure of the system's disorder, that is a property of the system's state, and that varies directly with any reversible change in heat in the system and inversely with the temperature of the system;
broadly : the degree of disorder or uncertainty in a system
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(2) Dynamic equilibrium for a system is best described as: a. The point at which the...
The condition of a system at equilibrium represents a balance between the tendency toward lowest energy...
The condition of a system at equilibrium represents a
balance between the tendency toward lowest energy (E) and
the tendency toward molecular chaos or maximum entropy (S). The
Gibbs Free Energy, G, is the state function that combines energy
and entropy into an equation that allows us to find the balance
between these two tendencies. For a system undergoing change at
constant temperature, ΔG = ΔH - TΔS. The system stops changing when
it reaches the equilibrium condition, ΔG =...
Select all of the correct statements about equilibrium from the choices below. At equilibrium the rates of forward and r...
Select all of the correct statements about equilibrium from the choices below. At equilibrium the rates of forward and reverse reactions are equal. At equilibrium the rate of change of product concentration is zero. At equilibrium the forward rate constant equals zero. As a reaction proceeds backwards toward equilibrium the reverse rate drops. As a reaction proceeds forward toward equilibrium the reactant concentrations drop. At equilibrium no more reactants are transformed into products.
For a chemical system that is in dynamic equilibrium with Kc = 0.50, which of the...
For a chemical system that is in dynamic equilibrium with Kc = 0.50, which of the following statements is FALSE? The rate of conversion of reactants to products is the same as the rate of conversion of products to reactants From the perspective of the forward reaction, the reaction mixture at equilibrium lies in favor of the products Both reactants and products are present in the reaction mixture The composition of the reaction mixture does not change with time The...
For a chemical system that is in dynamic equilibrium with Kc = 0.50, which of the...
For a chemical system that is in dynamic equilibrium with Kc = 0.50, which of the following statements is FALSE? Both reactants and products are present in the reaction mixture From the perspective of the forward reaction, the reaction mixture at equilibrium lies in favor of the products The composition of the reaction mixture does not change with time The rate of conversion of reactants to products is the same as the rate of conversion of products to reactants The...
Which of the following statements is/are CORRECT? For a chemical system at equilibrium, the forward and...
Which of the following statements is/are CORRECT? For a chemical system at equilibrium, the forward and reverse rates of reaction are equal. For a chemical system at equilibrium, the concentrations of products divided by the concentrations of reactants equals one. For a chemical system, if the reaction quotient (Q) is less than K, reactant must be converted to products to reach equilibrium.
Figure MODEL 1: Dynamic Equilibrium 4 students/min Classroom 123 18 students Classroom 124 35 students 4...
Figure MODEL 1: Dynamic Equilibrium 4 students/min Classroom 123 18 students Classroom 124 35 students 4 students/min KEY QUESTIONS L. Are the students moving from room to room in the modelt? 2. Is the number of students in each room changing 3. In the same way that equilibrium is reached for the students in the above classrooms, chemical equilibrium is reached in reactions when (select one): a) all reactions stop b) the forward reaction stops c) the concentrations of products...
please help with all pre-lab Dynamic Equilibrium Simulation with Pennies 1 of 11 on Equilibrium is...
please help with all pre-lab
Dynamic Equilibrium Simulation with Pennies 1 of 11 on Equilibrium is a state where there are no observable changes over time. Equilibrium is achieved when the rate of the forward reaction equals the rate of the reverse reaction. R =P In this activity, we will simulate a reversible reaction where R = P: the reactant molecules (R) are pennies, which react and are transferred from the side to the P side, while the product molecules...
1. Which of the following is true for a chemical reaction at equilibrium? only the forward...
1. Which of the following is true for a chemical reaction at equilibrium? only the forward reaction stops only the reverse reaction stops both the forward and reverse reactions stop the rate constants for the forward and reverse reactions are equal the rates of the forward and reverse reactions are equal 2. A chemical equilibrium may be established by starting a reaction with reactants only. d. any quantities of reactants and products. products only. e. all the above equal quantities...
Which of the following statements are correct? Mark all that apply. i) for a chemical system,...
Which of the following statements are correct? Mark all that apply. i) for a chemical system, if the reaction quotient Q is greater than K, reactant must be converted to products to reach equilibrium. ii) for a chemical system at equilibrium, the forward and reverse rates of a reaction are equal iii) for a chemica system at equilibrium, the concentrations of products dived by concentrations of reactants = 1
1. A solution in which the dissolved solute is in dynamic equilibrium with the solid solute...
1. A solution in which the dissolved solute is in dynamic equilibrium with the solid solute is called: A) an unsaturated solution B) a dilute solution C) a supersaturat ed solution D) a concentrated solution E) a saturated solution F) vant Hoff solution G) none of the above are correct H) all of the above are correct 2. Which of the following statements is generally TRUE? A) The solubility of a solid is not dependent on either temperature or pressure....
The condition of a system at equilibrium represents a
balance between the tendency toward lowest energy (E) and
the tendency toward molecular chaos or maximum entropy (S). The
Gibbs Free Energy, G, is the state function that combines energy
and entropy into an equation that allows us to find the balance
between these two tendencies. For a system undergoing change at
constant temperature, ΔG = ΔH - TΔS. The system stops changing when
it reaches the equilibrium condition, ΔG =...
For a chemical system that is in dynamic equilibrium with Kc = 0.50, which of the following statements is FALSE? The rate of conversion of reactants to products is the same as the rate of conversion of products to reactants From the perspective of the forward reaction, the reaction mixture at equilibrium lies in favor of the products Both reactants and products are present in the reaction mixture The composition of the reaction mixture does not change with time The...
For a chemical system that is in dynamic equilibrium with Kc = 0.50, which of the following statements is FALSE? Both reactants and products are present in the reaction mixture From the perspective of the forward reaction, the reaction mixture at equilibrium lies in favor of the products The composition of the reaction mixture does not change with time The rate of conversion of reactants to products is the same as the rate of conversion of products to reactants The...
Which of the following statements is/are CORRECT? For a chemical system at equilibrium, the forward and reverse rates of reaction are equal. For a chemical system at equilibrium, the concentrations of products divided by the concentrations of reactants equals one. For a chemical system, if the reaction quotient (Q) is less than K, reactant must be converted to products to reach equilibrium.
Figure MODEL 1: Dynamic Equilibrium 4 students/min Classroom 123 18 students Classroom 124 35 students 4 students/min KEY QUESTIONS L. Are the students moving from room to room in the modelt? 2. Is the number of students in each room changing 3. In the same way that equilibrium is reached for the students in the above classrooms, chemical equilibrium is reached in reactions when (select one): a) all reactions stop b) the forward reaction stops c) the concentrations of products...
please help with all pre-lab
Dynamic Equilibrium Simulation with Pennies 1 of 11 on Equilibrium is a state where there are no observable changes over time. Equilibrium is achieved when the rate of the forward reaction equals the rate of the reverse reaction. R =P In this activity, we will simulate a reversible reaction where R = P: the reactant molecules (R) are pennies, which react and are transferred from the side to the P side, while the product molecules...
1. Which of the following is true for a chemical reaction at equilibrium? only the forward reaction stops only the reverse reaction stops both the forward and reverse reactions stop the rate constants for the forward and reverse reactions are equal the rates of the forward and reverse reactions are equal 2. A chemical equilibrium may be established by starting a reaction with reactants only. d. any quantities of reactants and products. products only. e. all the above equal quantities...
1. A solution in which the dissolved solute is in dynamic equilibrium with the solid solute is called: A) an unsaturated solution B) a dilute solution C) a supersaturat ed solution D) a concentrated solution E) a saturated solution F) vant Hoff solution G) none of the above are correct H) all of the above are correct 2. Which of the following statements is generally TRUE? A) The solubility of a solid is not dependent on either temperature or pressure....
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