Celsius Essay Topics

Recrystallization lab report

Given the following solubility test results, which would be the best recrystallization solvent for Compound A? Why? Ethanol: Cold – soluble; Hot – soluble Water:Cold – insoluble; Hot – soluble Benzene:Cold – insoluble; Hot – insoluble Water would be the best recrystallization solvent for Compound A, because when doing recrystallization, it is important that the… View Article

Water short essay

‘Water’ is one of the natures precious gifts to mankind. All living things consist mostly of water eg. the human body is of two thirds of water. It is clear, colourless liquid that appears blue when viewed through a thickness of 20 ft. The colour reflects not only from physical causes but also from suspended… View Article

Audible Thermometer

The objective of our project was to build a Independent audible thermometer, which can speak the body temperature of a person. Our original goal was to build both software and hardware setup of the audible thermometer. We have already finished the software setup and we are currently working on the hardware, which we couldn’t complete… View Article

Enzyme Activity Lab

Hypothesis: 1) If the disk is placed into each beaker with 100 units/ml of enzyme solution, then the time for the disk to float will be 30 seconds. 2) If the temperature of the solution is at 5 degrees Celsius, then there will be less enzymes binding to the active site, and if temperature is… View Article


Sulphonation – The Process Most electrophilic substitution reactions are irreversible but sulfonation is an exception. Treatment of benzene with “oleum” (a solution of SO3 in concentrated sulfuric acid) will give the sulfonic acid, the electrophilic species being sulfur trioxide which is Lewis acidic. Fig – 1 Sulphonation : Benzene equation The sulfonic acid can be… View Article