Gas free essay sample

The reason for making the levels of water the same inside and outside of the Erlenmeyer flask so that the atmospheric pressure inside the Erlenmeyer flask is equal to the outside. 3. What are the possible sources of error of this experiment? †¢ The water level in the flask is not the same with the outside. †¢ The Erlenmeyer flask wasn’t cleansed properly before experimentation. †¢ Wrong reading of the temperature.   Why should the glass tubing be dry? The glass tubing must be dry before experimentation to easily see the white ring inside. . What are the possible sources of error? †¢ If the cork is not properly placed. †¢ The tubing wasn’t dry before the experiment. †¢ Human error in measuring the distance at both sides. †¢ Wrong computation. CONCLUSION: During the experiment, the group demonstrated how to get the volume, pressure and temperature through experimentation. One way the group did to measure the pressure is by the use of the Barometer. We will write a custom essay sample on Gas or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page The Barometer is a scientific instrument used to measure atmospheric pressure. On the other hand, the temperature of the liquid was measured by the use of a thermometer. Then, the group compared the initial temperature, pressure and volume with that of the final. Next thing was that the group calculated for the rate of diffusion of a gas through Graham’s Law of diffusion. The result was unpleasing and had a wide range compared to the true value. It only implies that during experiments we should take extra precautions and follow the procedure carefully to obtain more pleasing results.