Define and Describe on Entopy Change
Entopy change in a physical (phase) transformation can be determined particularly for evaporation of liquids at the boiling points, using Trouton’s rule. According to this…
Chemistry
What is Butter?
Butter: Butter is the separated substance from fermented milk by churning. It is prepared from fat of completely liquid milk. It contains 80-85 % fat…
Explain Limitation of first Law of Thermodynamics
The first law of thermodynamics tells us that energy can be changed from one form to another but can be neither created nor destroyed in…
Describe Second Law of Thermodynamics
Second law of thermodynamics can be stated in many ways: i) “It is impossible to construct an engine which operated in a complete cycle will…
What is Preservation Process?
The scientific process which is used to preserve the food, vegetables, fish, meat, fruits etc for a long time in a normal state so that…
Explain Preservation Action of Sulfur Dioxide
Sulfur dioxide (SO2) is a gaseous preservative. It enters into the microorganism cell through microbial cell membrane. It stops the important bioorganic process in micro-organism.…
Describe Anti-microbial Action of Acetic Acid for Preservation of Food
Anti-microbial action of acetic acid for preservation of food: Since the acetic acid decrease the 13″ of aqueous environment of food, hence this environment are…
What is Super Conductors?
The ability of certain ultra cold substances to conduct electricity without resistance is called super conductivity. This superconductivity state is a state in which a…
Applications of Super Conductors
Application of super conductors 1) It is a basis of new generation of energy saving power systems. Super conducting generators are smaller in size and…
Why Glasses are Amorphous Solids?
Amorphous solids possess properties of incompressibility and rigidity to a certain extent but they do not have definite geometrical forms. When certain liquids are cooled…
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