Time of research: November some, 2010 Date submitted: November 11, 2010 Introduction: According to Charles’ Rules, there is a linear relationship between your temperature and volume of a gas. Charles discovered that -273°C is the stage at which a gas is without volume. As that’s while cold when he thought points could ever acquire, that came from the idea of zero.
In this experiment, Charles’ Rules was utilized and made in data to determine an experimental value for Absolute Zero.
To do so, a fixed amount of gas was confined in a, uniform test tube. The temperature of the gas was changed, if it is placed in drinking water. The expected result is that as the temperature in the gas gets cooler (decreases), the volume of gas will decrease. Process: A 400mL beaker was filled with regular faucet water and place on a hot plate until the thermometer read 55°C. Then a sample tube filled up with two mercury plugs was obtained from the instructor. With a ruler, the distance between your two mercury plugs was written. Using small rubber bands, the sample pipe was strapped to the ruler, which was then simply attached to the underside of thermometer.
A cork was fastened onto the most notable of the thermometer, and then clamped in the beaker of pre-heated water. The initial temperature and distance among each plug-in the pre-heated water had been then noted. Ice was added and stirred every so often to amazing the temperature of the water. When the beaker would definitely overflow, small amounts of the normal water were taken out by a pipet. The temp and range between every single plug had been then documented every two minutes. 8-10 sets of temperatures were recorded if the goal temperature of zero. °C was achieved.
Data: 1) Temperature and Distance Between Mercury Connects Every 2mins Time (minutes)| Temperature of water (°C)| Distance between plugs (mm)| 0 (Plugs out of water)| 49. 8| 62. 2 (in room temp)| 2 (Plugs in water)| 46. 3| 63. 8| 4| 42. 2| 63. 3| 6| 39.
3| 62. 2| 8| 24. 9| 60. 0| 10| 19. 1| fifty eight. 6| 12| 7. 8| 56.
6| 14| 1 . 9| 55. 1| 16| zero. 1| fifty four. 4| 18| 0. 1| 54. 4| Calculations: 1) Line of best fit: y=0.
1981x+54. 752 Slope (m): 0. 198 mm/C Y-Intercept (b): 54. 8 mm 2) Zero (V=0): -276. 8°C 3) % Mistake: Excepted value: -273°C Debate: My outcomes show that as the water temp decreased, the space between the two mercury plugs decreased. This supports Charles’ Law which in turn states. When building my chart, I did not are the first preliminary temperature and length songs.
The plot has not been anywhere near to the others, and would have placed off the incline. My benefit for absolute zero was reasonably close to the excepted -273°C. There is a small difference of 3. 8°C between the two values, which has a percent mistake or 1 . 4%. My results were anticipated because I was obviously not going to get the excellent -273°C intense cold value, due to experimental error. Sources of fresh error that could occur happen to be if the initial temperature in the water was over 55°C and if the mercury connects were not totally submerged inside the water.
If the normal water was more than 55°C, then your ruler may have deformed by melting. This would make the ruler’s readings unreliable. If the mercury plugs weren’t fully immersed in the drinking water then they may not get the complete effect of temperatures change.
