At equilibrium, the composition of the system no longer changes with time. This answer is: 2012-10-30 11:48:07. Wiki User. Any chemical reaction attains dynamic equilibrium condition when the rate or velocity of both the forward and backward reaction becomes equal. That might be the case in a single collision between AH and B (or between BH and A), but there are trillions upon trillions of such collisions happening all the time. Chemical equilibrium refers to a chemical reaction, where the reactants and products are in equilibrium. Chemists have found that there is a mathematical relationship that exists between the concentration of the reactants and products, once equilibrium has been reached, that is independent of the initial concentration of the participants. Chemical equilibrium is dynamic because: A the equilibrium attained quickly B the concentration of the reactants and products become same at equilibrium C the concentration of reactants and products are constant but different D both forward and backward reactions occur at all time with the same speed Medium Solution Verified by Toppr Related Questions What is dynamic example? The amounts of reactants and products remain constant. The concentrations of the reactants and products do not change because the rate of the forward and the rate of . 3. Support your answer. The equilibrium does not indicate whether a reaction is in stage or dynamic equilibrium because it is simply the concentrations of products divided by concentrations of reactants. The chemical equilibrium is states at the state of the dynamic equilibrium. Chemical equilibrium is a dynamic process consisting of forward and reverse reactions that proceed at equal rates. Large K. There is little reactant remaining and reaction "goes to completion". How does each of these affect the usefulness of a manufacturing process? Syed Faseeh Hassan A level in Biology & Chemistry, Pre-Medical (Graduated 2017) Upvoted by Nazakat Ali Heat Why does the law of chemical equilibrium apply to water when studying acids and bases experimentally? If that reached equilibrium, then that would be a form of dynamic equilibrium, but not a form of chemical equilibrium. Why is chemical equilibrium considered dynamic? Although overall it is in equilibrium but inside the forward reaction and backward reaction both occur and so there is motion in the atomic and molecular level. In the chemical equilibrium the motion of the forward reaction and also the motion of the reverse reaction remain same for this reason the concentration of the product and concentration of the reactant is remains similar during the process. However, the rates of the reactions are the same here, and there is no change in the relative concentrations of reactants and products for a reaction that is at equilibrium. Take for example a physical process with no chemical changes, such as gases diffusing between containers. A dynamic chemical equilibrium is one in which there is no net change of concentrations of the reactants and the products, although the reaction is proceeding in both directions. 4. For any general reaction, aA+ bB cD + dD an equilibrium constant expression can be written as: These equations are dynamic because the forward and reverse reactions are still occurring, but the two rates are equal and unchanging, so they're also at equilibrium. chem ch 17. This means the variables in the equation are unchanging over time (since the rates of reaction are equal). No, no, no! When a chemical company employs a new reaction to manufacture a product, the chemists consider its rate (kinetics) and yield (equilibrium). Hint: A Dynamic Equilibrium occurs when rate of forward reaction is equal to rate of backward reaction. Copy. d) None of the above Save (1).png ; Question: Question 35 (2.5 points) Why is a chemical equilibrium considered dynamic? This representation might suggest that chemical equilibrium is the result of one A and one B competing for a single H+ ion. Best Answer. In the liquid-gas phase equilibrium demonstration, dynamic equilibrium was reached when there was no observable change in . Only the rate of formation of product is equal to to rate of formation of reactant. Chemical equilibrium is a dynamic process, meaning the rate of formation of products by the forward reaction is equal to the rate at which the products re-form reactants by the reverse reaction.Chemical equilibrium is a dynamic process, meaning the rate of formation of products by the forward reaction is equal to the rate at which the products re-form reactants by the reverse reactionreverse . Thus the two equations. May even say there is "no reaction". Explanation: Chemical equilibrium refers to the balance between products and reactants after a given reaction has reached a state of order, in which both reactants and products are forming at a constant rate. K= K (forward)/K (reverse) Small K. Produces very little product and barely proceeds equilibrium. Using an example, indicate the differences that exist when a strong acid and a weak acid are titrated with . 5. The chemical equilibrium is dynamic in nature because at equilibrium the reaction doesn't stop. The composition of an equilibrium mixture is independent of the direction from which equilibrium is approached. Chemical equilibrium is the condition which occurs when the concentration of reactants and products participating in a chemical reaction exhibit no net change over time. A large K value does not necessarily mean that it reaches equilibrium fast. Best answer Chemical equilibrium is achieved when the rates of forward and backward reactions become equal. A chemical reaction is in equilibrium when there is no tendency for the quantities of reactants and products to change. Chemical equilibrium is a dynamic equilibrium in which the concentration of the reactant and product are always happening but the ratio of the reactant and product are constant. Dynamic equilibrium is an example of a system in a steady state. A reaction is at dynamic equilibrium if the rate of forward reaction is equal to rate of backward reaction. The direction in which we write a chemical reaction (and thus which components are considered reactants and which are products) is arbitrary. It is dynamic because there are many factors that affect what that ratio will be, as defined by LeChatelier. O c) The reverse reaction is extremely fast. Chemical equilibrium may also be called a "steady state reaction." This does not mean the chemical reaction has necessarily stopped occurring, but that the consumption and formation of substances have reached a balanced condition. Chemical equilibriumis a dynamic process that consists of a forward reaction, in which reactants are converted to products, and a reverse reaction, in which products are converted to reactants. In simple words, a reaction is at dynamic equilibrium when reactants are converted to products and products are converted to reactants at equal and constant rates. Complete step by step answer: The forward and reverse reactions continue to occur even after the equilibrium state has been achieved. the key difference between chemical equilibrium and dynamic equilibrium is that chemical equilibrium describes the state at which concentrations of reactants and products do not undergo any change, whereas the dynamic equilibrium describes the state at which ratio of reactants and products does not change, but substances move between the Chemical equilibrium is a dynamic process. chemical equilibrium is dynamic process because in it rate of forward reaction is equal to rate of backward reaction. Equilibrium tells you the ratio of reactants to products once the reaction is done, while kinetics tells you how much . This is why chemical equilibria are said to be dynamic. At equilibrium, the forward and reverse reactions proceed at equal rates. Explain how acid base indicators work? Chemical equilibrium is dynamic in nature because: A Equilibrium is maintained rapidly B The concentration of reactants and products becomes the same at equilibrium C The concentration of reactants and products are different at equilibrium D Both forward and backward reactions occur with the same speed at all times Solution H 2 + I 2 2 HI. a) The forward and reverse reactions continue to occur . Definition: Dynamic equilibrium. There is a dynamic equilibrium in a reversible reaction when the rate of the forward reaction equals the rate of the reverse reaction. Support your answer. K (forward)=K (reverse). a) The forward and reverse reactions continue to occur after equilibrium O b) The forward reaction is extremely fast.
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