I'm suppose to make a graph but I'm confused on what would be the independent and dependent variables. So in the first table there is volume and pressure. And the second there is volume and pH. I think that in both that volume is independent, is that right? If not, why?
To determine the independent and dependent variables in a scientific experiment or graph, you need to understand the relationship between the variables and how they affect each other.
In the first table with volume and pressure, the independent variable is typically represented on the x-axis, while the dependent variable is on the y-axis. The independent variable is the one that you manipulate or control, while the dependent variable is the one that responds to changes in the independent variable.
Considering this, if you are investigating the relationship between volume and pressure, and you manipulate or control the volume while measuring the corresponding pressure, then volume would be the independent variable and pressure would be the dependent variable. This means that you would plot volume (independent variable) on the x-axis and pressure (dependent variable) on the y-axis.
Similarly, in the second table with volume and pH, the independent variable is the one that you manipulate or control, and the dependent variable is the one that responds to changes. If you manipulate or control the volume and measure the resulting pH, then volume would be the independent variable, and pH would be the dependent variable. In this case, you would plot volume on the x-axis and pH on the y-axis.
Remember, the independent variable is the one you control, while the dependent variable changes in response to the independent variable.