Homework Answers
Ans :3
As the reaction proceeds , more and more amount of formation of products take place , such that in general the concentration of products increase and the concentration of reactants with respect to time.
Now with the progress of the reaction , the concentration of product species increase in the reaction mixture , such that the effective collsions between the reactant species decrease as compared to the ones that occured initially ( when almost no products were present).
Due to this , the concentration of reactants decrease rapidly at lower time t than at higher time t.
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3. Explain why, in a chemical reaction, the concentration of a reactant decreases more rapidly at...
Q-4 (7.10). The concentration of a reactant in a first-order chemical reaction that proceeds at a...
Q-4 (7.10). The concentration of a reactant in a first-order chemical reaction that proceeds at a rate k can be described as follows: In(C) = ln(Co) - kt, where C is the concentration of the reactant at time t, Co is the initial concentration and t is the elapsed time since the reaction started. Consider an initial concentration of Co = 0.3 mol/L. The experiment was repeated n times to give a geometric mean of the concentration at time t...
12.4. In a chemical reaction, the following concentration values of the reactant A were observed as...
12.4. In a chemical reaction, the following concentration values of the reactant A were observed as a function of time. t/s 0 60 120 180 240 300 [A]/(mg/L) 131 110 92 71 49 29 Determine the rate constant for this reaction.
Please explain. Dynamic instability causes microtubules to either grow or shrink rapidly. Consider an individual microtubule...
Please explain.
Dynamic instability causes microtubules to either grow or shrink rapidly. Consider an individual microtubule that is i its growing phase: What causes the microtubule to stop growing and to rapidly shrink/depolymerize? 1. Concentration of free GDP-tubulin in 2. Concentration of free GTP-tubulin in the 3. Rate of addition of GTP-tubulin to the A. 1 and 4 B" 2 and 3 C. 1, 3 and 4 D. 2, 4 and 5 E. 2, 3 and 5 the solution increases...
explain why ethoxybenze is brominated more rapidly than phenyl benzoate
explain why ethoxybenze is brominated more rapidly than phenyl benzoate
1. Flammable substances will burn more rapidly in pure oxygen than in air. Explain why this...
1. Flammable substances will burn more rapidly in pure oxygen than in air. Explain why this happens 2. in terms of energy and bonds, explain what causes a reaction to be exothermic or endothermic. Do not simply tell what it means for a reaction to be exothermic or endothermic.
(6.4) The rate of a chemical reaction increases with an increase in the concentration of one...
(6.4) The rate of a chemical reaction increases with an increase in the concentration of one or more reactants. This is best explained by which statement? Select one: a. The higher concentration of reactants increases the activation energy of the reaction. Ob. The higher concentration of reactants increases the potential energy of the molecules. c. The higher concentration of reactants increases the frequency of collisions between molecules. d. The higher concentration of reactants increases the temperature of the molecules. Check...
Most of the time, the rate of a reaction depends on the concentration of the reactant....
Most of the time, the rate of a reaction depends on the
concentration of the reactant. In the case of second-order
reactions, the rate is proportional to the square of the
concentration of the reactant.
Select the image to explore the simulation, which will help you
to understand how second-order reactions are identified by the
nature of their plots. You can also observe the rate law for
different reactions.
In the simulation, you can select one of the three different...
If the produce side of a chemical reaction has more gaseous molecules than the reactant side,...
If the produce side of a chemical reaction has more gaseous molecules than the reactant side, how will be the equilibrium mole fractions of the products change when the system temperature is increased? Increase O It depends on heat of reaction Decrease No change
If the produce side of a chemical reaction has more gaseous molecules than the reactant side,...
If the produce side of a chemical reaction has more gaseous molecules than the reactant side, how will be the equilibrium mole fractions of the products change when the system pressure is increased? Decrease No change Increase It depends on temperature
1) A catalyst is A) a reactant in a chemical reaction. B) a product in a...
1) A catalyst is A) a reactant in a chemical reaction. B) a product in a chemical reaction. C) a substance that speeds up a reaction without being consumed in the reaction. D) a substance that increases the energy of the products. E) a substance that decreases the energy of the products.
Q-4 (7.10). The concentration of a reactant in a first-order chemical reaction that proceeds at a rate k can be described as follows: In(C) = ln(Co) - kt, where C is the concentration of the reactant at time t, Co is the initial concentration and t is the elapsed time since the reaction started. Consider an initial concentration of Co = 0.3 mol/L. The experiment was repeated n times to give a geometric mean of the concentration at time t...
12.4. In a chemical reaction, the following concentration values of the reactant A were observed as a function of time. t/s 0 60 120 180 240 300 [A]/(mg/L) 131 110 92 71 49 29 Determine the rate constant for this reaction.
Please explain.
Dynamic instability causes microtubules to either grow or shrink rapidly. Consider an individual microtubule that is i its growing phase: What causes the microtubule to stop growing and to rapidly shrink/depolymerize? 1. Concentration of free GDP-tubulin in 2. Concentration of free GTP-tubulin in the 3. Rate of addition of GTP-tubulin to the A. 1 and 4 B" 2 and 3 C. 1, 3 and 4 D. 2, 4 and 5 E. 2, 3 and 5 the solution increases...
(6.4) The rate of a chemical reaction increases with an increase in the concentration of one or more reactants. This is best explained by which statement? Select one: a. The higher concentration of reactants increases the activation energy of the reaction. Ob. The higher concentration of reactants increases the potential energy of the molecules. c. The higher concentration of reactants increases the frequency of collisions between molecules. d. The higher concentration of reactants increases the temperature of the molecules. Check...
Most of the time, the rate of a reaction depends on the
concentration of the reactant. In the case of second-order
reactions, the rate is proportional to the square of the
concentration of the reactant.
Select the image to explore the simulation, which will help you
to understand how second-order reactions are identified by the
nature of their plots. You can also observe the rate law for
different reactions.
In the simulation, you can select one of the three different...
If the produce side of a chemical reaction has more gaseous molecules than the reactant side, how will be the equilibrium mole fractions of the products change when the system temperature is increased? Increase O It depends on heat of reaction Decrease No change
If the produce side of a chemical reaction has more gaseous molecules than the reactant side, how will be the equilibrium mole fractions of the products change when the system pressure is increased? Decrease No change Increase It depends on temperature
1) A catalyst is A) a reactant in a chemical reaction. B) a product in a chemical reaction. C) a substance that speeds up a reaction without being consumed in the reaction. D) a substance that increases the energy of the products. E) a substance that decreases the energy of the products.
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