1 answer

1. Consider the linear fit to your data. What physical value does the value of the...

Question:

1. Consider the linear fit to your data. What physical value does the value of the intercept tell you?
Pressure (kPa) o Pressure (kPa) O Curve Fit Linear : y-max+b m:0.28503 +l-0.0064234 b: 93.921 +/0.30777 Correlation: 0.99924

periment # 2 Absolute Zero 2. What assumption(s) about pressure, temperature, and molecular motion must be made to calculate
4. Offer an explanation for your percent error. Why do you think your value differs from the theoretical value? (Think about
1. Consider the linear fit to your data. What physical value does the value of the intercept tell you?
Pressure (kPa) o Pressure (kPa) O Curve Fit Linear : y-max+b m:0.28503 +l-0.0064234 b: 93.921 +/0.30777 Correlation: 0.99924 RMSE 0.11879 110 108 100 104 30 5C 60 40 70 Temperature (C) LabQuest PDF Page 1 -09/10/19 anssa
periment # 2 Absolute Zero 2. What assumption(s) about pressure, temperature, and molecular motion must be made to calculate absolute zero by this method? 3. Compute a value for absolute zero from your best fit line equation. How close (percent error) is your value for absolute zero to that of the accepted value for absolute zero? Hint: Use Celsius units for this problem. O
4. Offer an explanation for your percent error. Why do you think your value differs from the theoretical value? (Think about the question, don't just say "experimental error")

Answers

Question 1.

The equation of the line is given as y = 0.28503x + 93.921, where 'y' is the pressure in kPa and 'x' is the temperature in oC.

Here, the y-intercept is 93.921, which indicates "The value of 'y' at x = 0"

i.e. The physical value of the intercept (93.921 kPa) tells you "the value of pressure (in kPa) at 0 oC temperature".

.

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