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(a)
Interpretation:
The effect of decrease in temperature on given substance and value of equilibrium constant K has to be explained.
Concept Introduction:
Le Chatelier principle states that, whenever a change in temperature, pressure or volume is experienced by a system at equilibrium, the system will undergo reactions to cancel that effect and reattain equilibrium. The equilibrium constant K will change with change in temperature.
For a reaction, if the enthalpy of reaction is negative then that reaction will be exothermic, that is, heat is liberated during the reaction. If enthalpy of reaction is positive then that reaction is endothermic, that is, the heat is absorbed during the reaction.
If the forward reaction is exothermic, then, to increases the products, temperature should be lowered. If the product is more, then equilibrium constant (K) will be more. Similarly in the case of endothermic reaction, increase in the temperature causes the increase in the amount of products.
(b)
Interpretation:
The effect of decrease in temperature on given substance and value of equilibrium constant K has to be explained.
Concept Introduction:
Le Chatelier principle states that, whenever a change in temperature, pressure or volume is experienced by a system at equilibrium, the system will undergo reactions to cancel that effect and reattain equilibrium. The equilibrium constant K will change with change in temperature.
For a reaction, if the enthalpy of reaction
If the forward reaction is exothermic, then, to increases the products, temperature should be lowered. If the product is more, then equilibrium constant (K) will be more. Similarly in the case of endothermic reaction, increase in the temperature causes the increase in the amount of products.
(c)
Interpretation:
The effect of decrease in temperature on given substance and value of equilibrium constant K has to be explained.
Concept Introduction:
Le Chatelier principle states that, whenever a change in temperature, pressure or volume is experienced by a system at equilibrium, the system will undergo reactions to cancel that effect and reattain equilibrium. The equilibrium constant K will change with change in temperature.
For a reaction, if the enthalpy of reaction
If the forward reaction is exothermic, then, to increases the products, temperature should be lowered. If the product is more, then equilibrium constant (K) will be more. Similarly in the case of endothermic reaction, increase in the temperature causes the increase in the amount of products.
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Chapter 17 Solutions
CONNECT ACCESS CARD FOR CHEMISTRY: MOLECULAR NATURE OF MATTER AND CHANGE
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- The kinetics of a gas phase reaction of the form A → Products results in a rate constant of 0.00781 M/min. For this reaction, the initial concentration of A is 0.501 M. How many minutes will it take for the concentration of A to reach 0.144 Marrow_forwardWhat is the rate for the second order reaction A → Products when [A] = 0.256 M? (k = 0.761 M⁻¹s⁻¹)arrow_forwardFor reaction N2(g) + O2(g) --> 2NO(g) Write the rate of the reaction in terms of change of NO.arrow_forward
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