slope of concentration vs time graph
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slope of concentration vs time graph
what does the slope indicate in the concentration vs time? does it change with order of the reaction?
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Re: slope of concentration vs time graph
The slope indicates the rate of the reaction. It does change with the order of the reaction. For zero order, the rate remains constant. For first order, it decreases exponentially with time. For second order, it increases logistically.
Re: slope of concentration vs time graph
The slope in a concentration versus time graph represents the rate at which reactants are consumed or products are formed in a chemical reaction. This rate changes with the order of the reaction.
For a zero-order reaction: the slope is constant, indicating a constant rate of reaction that does not depend on the concentration of reactants.
In first-order reactions: the slope decreases exponentially over time, reflecting a rate dependent on the concentration of a single reactant.
For second-order reactions: the rate of decrease in concentration becomes faster as the reactant concentration decreases, indicating a rate that depends on the square of the concentration of one reactant or the product of the concentrations of two reactants. Therefore, the nature of the slope on such a graph tells us the reaction order and kinetics.
For a zero-order reaction: the slope is constant, indicating a constant rate of reaction that does not depend on the concentration of reactants.
In first-order reactions: the slope decreases exponentially over time, reflecting a rate dependent on the concentration of a single reactant.
For second-order reactions: the rate of decrease in concentration becomes faster as the reactant concentration decreases, indicating a rate that depends on the square of the concentration of one reactant or the product of the concentrations of two reactants. Therefore, the nature of the slope on such a graph tells us the reaction order and kinetics.
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Re: slope of concentration vs time graph
In a plot of concentration of reactants vs time the slope indicates the value of the rate constant (k). For zero order reactions the rate is (-)slope, for first order the rate is also (-)slope, but for second order reactions the rate constant is (+)slope.
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Re: slope of concentration vs time graph
Hi. In the concentration vs. time graph, the slope shows the rate of reaction at a certain time. However, this can change depending on the order of the reaction. Zero order reactions have constant negative slopes. First order reactions have exponential decay curves. Second order reactions have curves that are not linear and change depending on reaction concentrations.
Re: slope of concentration vs time graph
The slope of the tangent line at any given position in a concentration vs. time plot for a chemical reaction indicates the rate of the reaction at that particular point in time. The change in reactant or product concentration per unit of time is known as the reaction's rate. Therefore, the rate of reaction at that particular moment increases with the steeper slope of the tangent line.
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