(a)
Interpretation:
A graph needs to be plotted for the number of carbon atoms versus the melting point.
Concept introduction:
To plot a graph using data with two variables, one of the variables is taken on the x-axis and the other on the y-axis. The pattern followed by two variables with respect to each other can be interpreted from the graph.
Explanation of Solution
The given data is as follows:
The plot can be represented as follows:
(b)
Interpretation:
The graph between numbers of carbon atoms versus density needs to be determined.
Concept introduction:
To plot a graph using data with two variables, one of the variables is taken on the x-axis and the other on the y-axis. The pattern followed by two variables with respect to each other can be interpreted from the graph.
Explanation of Solution
The data given is as follows:
The plot can be represented as follows:
(c)
Interpretation:
From the plot, the relationship between number of C atoms and its density and melting point values needs to be explained.
Concept introduction:
To plot a graph using data with two variables, one of the variables is taken on the x-axis and the other on the y-axis. The pattern followed by two variables with respect to each other can be interpreted from the graph.
Explanation of Solution
From the plot, it can be seen that the melting point increases with the number of carbon atoms in the saturated fatty acids. But, as the number of carbon atoms increases, the density of the saturated fatty acids decreases.
(d)
Interpretation:
The appropriate melting point of saturated fatty acid with 24 carbon atoms needs to be determined.
Concept introduction:
To plot a graph using data with two variables, one of the variables is taken on the x-axis and the other on the y-axis. The pattern followed by two variables with respect to each other can be interpreted from the graph.
Explanation of Solution
The approximate value can be obtained from the graph formed between the number of carbon atoms and the melting point.
The plot is represented as follows:
If the number of carbon atoms in a fatty acid is 24, the corresponding value of the melting point can be easily determined from the graph. The value will be approximately 82-83 oC.
Chapter 23 Solutions
Chemistry: Matter and Change
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