For an exothermic reaction, an increase in temperature will A) decrease the value of the equilibrium constant. B ) increase the equilibrium concentration of the products. C) have no effect on the equilibrium position. D ) increase rate of only the forward reaction

Q: Chose the equilibrium expression for the following reaction

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Q: Which of the following is true of a catalyst for a reaction     A It decreases the equilibrium…

A: Catalyst :-  A substance which when added to a reaction mixture increases the speed or rate of…

Q: When heat is removed from an exothermic reactions the equilibrium shifts towards the products. True…

A: Answer  In exothermic reaction heat released during the process Heat…

Q: n studying a reaction that goes to completion (this is not a reversible reaction) what happens to…

A: For a reaction  aA + bB →cC + dD Rate is given as Rate = K[A]a [B]b

Q: Ph Ph Ph Ph

A: These two reactions are the examples of Cross aldol condensation reaction where acetophenone reacts…

Q: What is the primary role of a catalyst in a chemical reaction? A) To increase the reactants'…

A: Catalyst never consumed in a chemical reaction.

Q: 13) What is the effect of a catalyst on a reaction? O Increases rate by lowering free energy O…

A: Catalyst generally lower the activation energy thus rate incr.

Q: Once a reaction is proceeding both forward and backward at the same rate, which state has been…

A: The answer is given as follows

Q: Solid iron (ii) oxide and carbon monoxide gas are in equilibrium with solid iron and carbon dioxide…

A: Reaction between Solid iron(ll) Oxide and Carbon monoxide gas produce the solid iron and carbon…

Q: If the rate of the forward reaction is the same as the reverse rate, A. the reaction has stopped…

A: In a chemical reaction, at chemical equilibrium the forward reaction rate is equal to the rate of…

Q: As the reaction progress with time what happens to the followings: (I) Rate of the forward reaction…

A: As the reaction progresses with time Rate of forward reaction decreases.

Q: The presence of a catalyst: lowers activation energy increases activation energy O increases…

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Q: The forward rate is changed so that it is increased more than the same reaction rate in reverse.…

A: The forward rate is changed so that it is increased more than the same reaction rate in reverse.…

Q: 3.Explain how and why a catalyst effects reaction rates?

A: A catalyst can be defined as  substance which speeds up a chemical reaction, without being consumed…

Q: The concentration of the reactants in a solution affects the rate of reaction. Use collision theory…

A: According to collision theory, the number of collisions between reactant molecules determines how…

Q: If the temperature of reaction increases what happens to the equilibrium and concentration?

A: How temperature of reaction effects the equilibrium of the reaction according to the types of…

Q: 1. A reaction is considered an equilibrium when: a) There is the same amount of reactants and…

A: Consider a reaction,  aA+bB↔cC+dD   (assume ↔notate equilibrium).

Q: a forward reaction is exothermic and the temperature is increased A. the forward reaction will…

A: Reaction is exothermic. It means change is enthalpy is negative. Heat is evolved.

Q: uestion 20 Click on the graph that is an exothermic reaction. Chart A Chart B Reaction Time ->…

A: Exothermic process in which heat is released (∆H < 0) while Endothermic process in which heat is…

Q: If the equilibrium constant for an equilibrium system has decreased because of a "stress", how have…

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Q: A shift to the right means O [products] increase and [reactants] decrease [products] increase but…

A: A option is correct AS in the reaction if the reaction is right shifted than the concentration of…

Q: The largest change of concentrations for a reaction will occur at the end of the reaction graph in…

A: In a reaction, products are formed by the reactants.

Q: Activation energy Reactants Overall energy change Products Progress of reaction The above energy…

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Q: State what happens when a chemical reaction reaches equilibrium, including what happens to the…

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Q: Increasing the concentration of the reactants will slow down the reaction. O true O false

A: During a reaction, reactant is converted into product.

Q: A chemical reaction is allowed to take place inside a beaker. When this beaker is placed in a dish…

A: Exothermic reactions are those in which heat is released to the surroundings. Endothermic reactions…

Q: is a substance that increases the rate of reaction but has no effect on the equilibrium composition…

A: Answer  A Catalyst substance that increases the rate of…