Graph Reciprocal of Time vs Concentration in Chemistry

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Discussion Overview

The discussion centers around the process of graphing the reciprocal of time versus concentration in a chemistry context. Participants explore the implications of this specific graphing method, particularly in relation to data obtained from a laboratory experiment.

Discussion Character

  • Homework-related, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant seeks clarification on how to graph reciprocal of time against concentration, expressing uncertainty about the treatment of concentration in this context.
  • Another participant asserts that the task is straightforward, suggesting simply plotting 1/t against concentration without additional modifications to concentration.
  • A question is raised regarding whether the resulting graph will resemble a standard concentration versus time graph.
  • A later reply indicates that the graph will appear significantly different, explaining that the reciprocal transformation alters the nature of the relationship, converting increasing functions into decreasing functions.
  • Examples of the graphical differences are referenced, highlighting the contrast between the concentration versus time graph and the reciprocal plot.

Areas of Agreement / Disagreement

Participants express differing views on the implications of graphing reciprocal time against concentration, with some asserting it will yield a different graphical representation while others question the extent of that difference. The discussion remains unresolved regarding the overall impact of the transformation on the graph's appearance.

Contextual Notes

Participants do not clarify the specific nature of the concentrations or the experimental conditions, which may affect the interpretation of the graphs. There is also no consensus on how the transformation impacts the relationship between the variables.

HelloMotto
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In chemistry I am suppose to graph
reciprocal of time ( seconds ) Vs concentration of a solution.

Im suppose to plot 3 different plots, which i have obtained from the lab we did. So i have 3 different concentration each with different time.

its not reciprocal of time vs reciprocal of concentration, it has to be reciprocal of time vs Concentration.

I know how to find a reciprocal of time, but when i reciprocate the time, what do i do with concetration?
 
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Nothing!

Just plot 1/t against concentration. What is the problem?
 
so the graph shouldn't look any different from regular time vs concentration?
 
The graph should look very different from a normal concentration v time graph. For one, in the reciprocal plot, high time values are converted to low 1/t values and vice versa. This has the effect of changing increasing functions into decreasing functions. For example, see the attached plots. The concentration v time graph is shown in the middle and it is plotting the y column against the x column on the table. It is an increasing function. In contrast, by plotting the y column against the 1/x column, you obtain the graph on the right, which shows a decreasing function.
 

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