To illustrate Gay Lussac’s Law graphically, we need to draw a set of axes on a grid. The law states that the pressure of a gas is directly proportional to its absolute temperature when the volume is held constant.
Step 1: Draw the Axes
- Vertical Axis (Y-axis): Label this axis as ‘Pressure (P)’ which will represent the pressure of the gas.
- Horizontal Axis (X-axis): Label this axis as ‘Temperature (T)’ in Kelvin, which will represent the absolute temperature of the gas.
Step 2: Plotting the Graph
Now, to show the relationship, draw a straight line starting from the origin (0,0) and rising towards the right. This line indicates that as temperature increases, pressure also increases, demonstrating the direct proportionality. Each point on this line corresponds to a specific pressure and temperature combination.
Step 3: Annotate the Graph
You can add a few data points to indicate the variation in pressure with different temperatures if needed. Be sure to include a title for your graph, such as “Pressure vs. Temperature according to Gay Lussac’s Law”.
This graphical representation helps in visually understanding how pressure rises with temperature for a confined gas, clearly summarizing Gay Lussac’s Law in a simple and effective way.