how to study the anomalous behaviour of water by using hope's apparatus
Answers
Anomalous Expansion of the water is just the simple experiment done from Hope's Process. This is the easy method. I have discussed it below. Have a look to it.
The Hope's experiment is Clearly shown below.
Experiments ⇒
Requirements of the Experiments ⇒ It consist of a high metallic lattice cylinder provided with two side openings, one near the high top and other near the bottom, fitted with thermometers. The middle portion of the part of cylinder is surrounded with a cylindrical trough containing a freezing mixture of ice and salt. Also, The cylinder is fitted with pure water at room temperature.
Observations noticed in the Experiments ⇒ At Starting both the thermometers shows same temperature.
After this, First the thermometer recorded by lower thermometer starts decreasing and finally becomes steady at 4° C or 277 K, while the temperature recorded in upper thermometer remains unchanged during this time.
After the time progresses, then the temperature recorded by the lower thermometer remains constant at 4° C. and the upper thermometer , near the top records continuous fall in temperature up to 0° C or 273 K, and then it becomes steady.
Results drawn from the Experiments ⇒ The expansion of water when cooled from 4° C to 0°C is scientifically anomalous expansion of water.
Hope it helps.
During the study of anamolous behaviour of water. temperature t1 and t2 are recorded after every 30 seconds.
Intially both the temperatures t1 and t2 are identical. However as the time lasses the temperature t1 decreases faster while the temprature t2 decreases at a slower rate.
as the temperature t1 reaches 4 degree it remains stable till then t2 decreases to 4 degree. Thereafter since T2 starts changing rapidly, it records to zero degree celsius first and after that the lower thermometer T1 record zero degree celsius
Hope it helps you.
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