Question

2. 3. Your Experimentally Determined Freezing Point a Point 44°C 17 Use the reference value you looked up for the melting point of Phenyl Salicylate Value for Freezing Point 47-43°C 144-41100 7.32% B. Calculate the Percent Error 41 X 100 Charles' Law and the Determination of Absolute Zero Graph Temperature vs. Length of Gas Column. Temperature should be on the "X axis and Length on the TV axis. The range on the yaxis must be from zero to just above the longest value. The axis should range from -300 °C to 100°C Plot the points and sketch your best fit straight line through the points. Project this line to zero length. The point where it crosses the "X axis is absolute zero Report your value for Absolute Zero here: 10 3 How does this compare to the accepted value and why might your answer be off from the accepted value? Calculate the Percent Error:

I need help with number 4

Answer 1

Theoretical value for Absolute zero - OK = -273°C Experimentally detemined Absolute zero, as reeported in question 3 = -100°C Therefore, precentage error in calculation of Absolute zero can be determined using the below formula, % eviour | Exprimental Value -Theoretical Valex100 Theoretical Valve = 1-100 - (-273)| x100 (-273) . = 173 x100 = 63.369% .: The percentage error is 63.377. As we see, there is a significant difference in the experimental and theoretical value of Absolute zero. Firestly, there might be some experimental error on instrumental error. Secondly, absolute zero temperature is practically unattainable. This is because CÓNo gas would remain in the gascous state at absolute zero.

② Absolute zero temperature is the temperature at which the substance does not possess any energy. Now, this case is not possible. Even if we could reach absolute zero, there would still be energy and motion in the system, which is zero point energy So, the existence of zero point energy prevents the system from attaining absolute zero temperature. For this reason, we see a significant theoretical experimental and difference in values