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The standard free energy change for a reaction is -212.3 kJ mol -1.
If the enthalpy of the reaction is - 216.7 kJ mol-1, calculate the entropy change for the reaction.
What are the Advantages of cold working (i) No heat is required. (ii) Better surface finish is obtained. (iii) Superior dimension control. (iv) Improved strength and h
introduction to esters ,preparation, proprties, and their uses in daily life
Classification of polymers - Elastomers The polymers which have elastic character such as rubber (a material that can return to its unique shape after stretching is said to be
why in f-block element electronic configuration electrons does not enter in 5d orbital (except for La,Gd,Lu)
What is difference between silica used in TLC and HPLC column? TLC is called thin layer chromatography. The simple technique works on the principle of adsorption, where as HPLC i
Q. What do you mean by Chemical Bonding? Ans. Atoms react chemically by losing, gaining or sharing electrons. Chemical bonds are the attractive forces that hold atoms toge
Uncertainty principle gave the concept of: (1) Probability (2) An orbital (3)Physical meaning of Ψ the Ψ (4)All the above Ans: Probability
Blending is an important unit operation in the chemical and process industries. It is employed in a wide variety of industries including the production of cement and gasoline. C
The number of neutron in tritium is : (1) 1 (2) 2 (4) 3 (4) 0 Ans: 2
Physical Properties of Benzoic Acid (a) Benzoic Acid is a white crystalline solid. (b) Benzoic Acid has m.p. 394 K. (c) Benzoic Acid is sparingly soluble in cold water bu
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