Question

ANALYZE AND INTERPRET DATA REGARDING GRAPHICAL REPRESENTATION OF GAS LAWS.

Answer 1

Answer:

During the seventeenth and especially eighteenth centuries, driven both by a desire to understand nature and a quest to make balloons in which they could fly (Figure 1), a number of scientists established the relationships between the macroscopic physical properties of gases, that is, pressure, volume, temperature, and amount of gas. Although their measurements were not precise by today’s standards, they were able to determine the mathematical relationships between pairs of these variables (e.g., pressure and temperature, pressure and volume) that hold for an ideal gas—a hypothetical construct that real gases approximate under certain conditions. Eventually, these individual laws were combined into a single equation—the ideal gas law—that relates gas quantities for gases and is quite accurate for low pressures and moderate temperatures. We will consider the key developments in individual relationships (for pedagogical reasons not quite in historical order), then put them together in the ideal gas law.

Answer 2

Step-by-step explanation:

Graphical verification of Boyle's law:

The law can be verified by plotting a graph

1. V vs 1/P
2. V vs P
3. PV vs P

• Refer the attachment 1 part A.

➛ Graph A shows variation in volume ( V ) plotted against inverse of pressure ( 1/P ) at constant temperature.

➛ Straight line passing through the origin is obtained.

• Refer the attachment 1 part B.

➛ Graph B shows variation in volume ( V ) plotted against pressure ( P ) at constant temperature.

➛ A hyperbolic curve in the first quadrant is obtained.

➛ The term isotherm which means a constant temperature is used to describe such graphs.

• Refer the attachment 2 part C.

➛ Graph C shows variation in PV plotted against pressure P at a constant temperature.

➛ A straight line is obtained parallel to the pressure axis.

Graphical representation of Charles' law:

• Refer the attachment 3

➛ The relationship between volume and temperature of a gas can be plotted on the graph as shown in the attachment 3. a

➛ A straight line is obtained.

➛ The general term isobar which means a constant pressure is used to describe such graphs.

N.B: Kindly read the information provided at the bottom of each graph in the attachment 3 ( both D and E )

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