Determining An Absolute Zero Value : [Essay Example], 770 words GradesFixer

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# Determining An Absolute Zero Value

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## Objective:

For this lab, my partner and I took a range of pressure and temperature measurements and using this data, we made a hypothesis that the trend in our results will validate the direct and linear relationship between pressure and temperature according to the ideal gas law. We also hypothesize that on our linearized pressure vs. temperature graph, the temperature value at zero pressure we will not equate to Absolute Zero (see Relevance for further details).

## Background / theory:

### Theoretically, an ‘ideal’ gas has a relationship as depicted through the Ideal Gas

Law equation: PV=nRT, (1)where P is pressure in pascals, V is volume in cubic meters, n is number of moles, R is the universal gas constant, 8. 314 J/(mol∙K), and T is the absolute temperature in units of Kelvin. An ideal gas is theoretically assumed to have low densities, have sole interaction only through elastic collisions, and not exert long-term forces on each other. However, all gases diverge from ideal gas behavior when they are at high pressures or low temperatures, which is due to the gases intermolecular behavior becoming significant.

## Relevance:

The ideal gas law is applicable for when we do not have data and want to predict the pressure and temperature observations we should have. However, when it comes to real-life situations, this mathematical law is not able to predict real gas behavior by a wide frame. For example, in order to reduce a temperature down to zero kelvin, this would imply that all energy needs to be removed and since energy is related to mass, it is not possible to remove all matter in a body of gas.

Using stir stick, ensure equilibrium is established inside canister. Acquire pressure and temperature data at equilibrium temperature.

By placing Bunsen burner under canister handle, begin to increase temperature of liquid inside canister and acquire data at temperature changes of 5 degrees Celsius. Stop recording once water reaches a temperature of 80 degrees Celsius. Any modification of the procedure from the instructions supplied, if applicable, is especially important here. Remember the goal of making it possible for the experiment to be repeated just the way you did it. You are welcome to include a schematic or figure if it aids in understanding.

## Results:

Here you present the summary of your results from completing the experiment. This section will typically also show the final plot(s) and/or table(s) of the results, which includes a fit or comparison to a physical model or theory. When you include a plot it is a Figure and should be labeled with a Figure number and descriptive caption (a sentence or two). When you include a table of information it is labeled with a table number and appropriately descriptive caption. You should refer to tables and calculations (by table and equation numbers) that exist in the appendix (see below) as appropriate to describe your results. Figure 1: Time versus distance travelled for a bike ride from the University of Alberta. Red points indicate measured times, with their uncertainties indicated. The dashed line shows the best fit to a linear model of these data, and has a slope of 3. 64 ± 0. 05 min/km.

## Summary and Discussion:

Here you summarize the results of your experiment. You then discuss the results in context of the expected theory, including your uncertainties, any observed anomalies and potential explanations. The discussion should also include thoughts of how the experiment could potentially be improved in future.

Doing a quick search for University of Alberta’s atmospheric pressure show that value measured in lab has a huge discrepancy with the value online. Assumed Note:the lab reports do not include assignment-style answers to the questions at the end of the lab instructions. The questions are included with the instructions as additional food for thought. Data Appendix: (no specific page limit) An appendix at the end of the electronic report should contain your final data table or tables as needed (with table numbers and descriptive captions) and include appropriate uncertainties.

Accompanying information that must be in the lab notebook (You don’t need to scan notebook pages into your electronically-submitted report. Assume that someone trying to reproduce your experiment would have access to your notebook as well as your report. ) Experiment equipment list:Here you list the equipment pieces, with serial numbers and accuracy, that you used in the experiment. Calculations :Here you show your detailed work of equation manipulation, including a sample calculation of the propagation of uncertainties. Interim results if applicable:Detail as needed of steps towards the final result shown in the main body of the report (tabled and/or plotted format, clearly described).

Remember: This is just a sample from a fellow student.

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GradesFixer. (2019, November, 26) Determining An Absolute Zero Value . Retrived April 1, 2020, from https://gradesfixer.com/free-essay-examples/determining-an-absolute-zero-value/
"Determining An Absolute Zero Value ." GradesFixer, 26 Nov. 2019, https://gradesfixer.com/free-essay-examples/determining-an-absolute-zero-value/. Accessed 1 April 2020.
GradesFixer. 2019. Determining An Absolute Zero Value ., viewed 1 April 2020, <https://gradesfixer.com/free-essay-examples/determining-an-absolute-zero-value/>
GradesFixer. Determining An Absolute Zero Value . [Internet]. November 2019. [Accessed April 1, 2020]. Available from: https://gradesfixer.com/free-essay-examples/determining-an-absolute-zero-value/

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