Cab someone pls help me? I don't understand this
1. From Part 2 of the lab activity, plot a graph of volume vs. temperature (in kelvins) with the two data points that resulted from your experiment. Draw a straight line connecting the two points, thus assuming a linear relationship between volume and temperature.

The x-intercept corresponds to where the volume would be zero and the temperature can be no lower, defined as absolute zero. Absolute zero is 0 K. Compare your results to those expected. How close to absolute zero was your intercept? Why might your value be different from absolute zero?

During the lab you will measure the volume of a gas at two different temperatures and record the results pairing each volume with its temperature. For instance, in the form of ordered pairs (Temperature, Volume).

Let's do an hypothetical case in which you measured an initial temperature of 23ºC and the respective volume of 2 liter: (23, 2) is the first point. Then, you heated the sample of gas up to 80ºC and measured a volume of 2.4 liters.

Your lab activity ends.

2. Plot a graph volume vs temperature (in kelvins) with the two data points that resulted from your experiment:

a) First convert the temperatures in ºC to kelvins:

[tex]Kelvin=\ºC+273.15[/tex]

[tex]T_1=23\ºC+273.15=296.15[/tex]

[tex]T_2=80\ºC+273.15=353.15[/tex]

b) Your points, now, are: (296.15, 2) and (353.15, 2.4)

c) Prepare your graph paper

Label the vertical volume in liters (dependent variable)

Label the horizonal axis as temperature in kelvins (independent variable)

You will not have enough precision to mark the decimals for the temperature; so, use only the integer part of the temperature, i.e. 296 and 353.

Select and adequate scale for the temperature, in kelvins. For instance, for the x-axys mark 50, 100, 150, 200, 250, 300, 350, and 400 (you will find that you cannot use marks for 10, 20, 30, 40, 50, 60, 70, 80, 80, ...., 360).

Select and adequate scale for the volume in liters. For instance: 0.5, 1.0, 1.5, 2.0, 2.5, 3.00.

d) Place the two points (296, 2) and (353, 2.4) at the best your graph paper lets you.

d) Draw a straight line that joins the two points and cross both the vertical and the horizontal axis.

e) Read the point at which the line intercepts the horizontal axis. This is the x-intercept, and is the where the volume would be zero. The temperature cannot be lower, because the volume cannot be negative.

3. Compare your results to those expected.

The point at which the temperature crosses the x-axys should be 0, because that is the absolute zero (0 K).

How close to absolute zero was your intercept: sure there will be a difference, whose magnitude and sign depend on several points: i) experimental errors (in the measurements), ii) imprecisions graphing, and iii) real the gases are not perfect gases, thus they do not follow the graph of V vs T is not a perfect line.

aliasger2709 aliasger2709 · Answer 2 · 2021-12-02T07:20:17+01:00

According to Charle's Law at a fixed pressure, the amount of the given gas will be undeviatingly proportional to the temperature.

In this situation when the pressure is a fixed number then it is said to isobaric condition.

Lab Activity:

Estimate the volume of the given gas at two various temperatures.

Now write the recorded volume with its temperature.

Let's take hypothetical data over here.

For the temperature at 30°C the measured volume is 2 liter, this will be the first point.

For the next reading, you heated the sample of gas up to 87 °C and the volume that you measured is 2.4 liters, this will be the second point.

Plotting of the graph:

1. To plot the graph between the temperature (kelvins) and the volume, we need to convert the temperature from C to kelvins.

[tex]\text{Kelvin} & = \text{C}^{\text{o}} + 273.15[/tex]

[tex]\text{T1} & = \text{30}^{\text{o}} + 273.15 = 303.15[/tex]

[tex]\text{T2} & = \text{87}^{\text{o}} + 273.15 = 360.15[/tex]

2. The coordinates we get for graphs now are:

(303, 2) and (360, 2.4)

3. Plot the above data on the graph paper.

See the attached image for the graph below.

Mark the vertical column as the volume (liters) and the horizontal axis as temperature (kelvins)

Roundoff the temperature up to the integer part for plotting the graph.

Select the appropriate scales for temperature and volumes for the graph.

Mark the point that you recorded during your experiment.

Draw a straight line joining the two points.

Mark the point that intercepts the horizontal axis as the intercept. This point will have 0 volume.

Absolute 0 will be 0 K as the X intercept shows 0 volume and the temperature can no longer be lower.

4. Comparing the recorded results with the expected data: Compare the data on basis of errors, and imprecisions.

To learn more about Volume vs temperature graph refer to the link:

https://brainly.com/question/1305110