Coronavirus: All you need to know about symptoms and risks
As the world further shuts down in the wake of the coronavirus pandemic, more cases are now being recorded outside of China, where the virus was first detected in the central city of Wuhan, than outside
As of March 17, at least 7,019 people worldwide have...
Wednesday, March 18, 2020
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Wednesday, March 11, 2020
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WHAT IS CHEMICAL ENGINEERING?
This 1990 Annual Meeting of the AIChE is the largest ever meeting of chemical
engineers -- a field now so diverse that it divides into 21 parallel lines of interest,
spread over five days.
There are 314 sessions, during which more than 2000 chemical engineers will
present their latest contributions...
Sunday, March 8, 2020
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Tuesday, June 25, 2019
Force of attraction which hold two atoms together is called chemical bond.
Example: H + H ------> H2 + heat ...
25
Jun
Definition Of Hydrides
Hydrogen combines with other elements and forms binary compounds which are called Hydrides. Hydrogen forms binary compounds with all types of elements metals and non-metals excluding noble gases. Hydrides are classified into six major groups on the bases of nature of chemical bonding...
Position Of Hydrogen In Periodic Tables:-
The position of Hydrogen in periodic table is yet unsolved problem. It is placed above IA (alkali metals). IVA (Carbon family) and VIIA (halogen family) due to resemblance at small extent....
The tabular arrangement following aufbau principle is called long form periodic table.
The periodic table is sub-divided on the basis of electronic configuration. In periodic table the horizontal lines or rows are called periods. There are seven periodic in all explained as:
Period 1 (n = 1):-
There is only one...
25
Jun
Mendeleev's Periodic Table:-
The present system of classification of elements is based upon the periodic law enunciated by a Russian Chemist Mendeleev. He found that if the element are listed in order of increasing atomic masses (ascending order) certain sets or properties are re-occur...
Region around the nucleus of an atom where probability of finding electron is maximum or where the electron density is maximun is called orbit or Energy level or shell.
Representation Of Orbits or Energy Levels or Shells:-
Bohr represented Orbits or energy levels or shell's by the capital letters of alphabet as K,...
DEFINITION:
Branch of physical chemistry that deals with the rate of reaction, factor affecting the rate of reaction and mechanism of reaction is called chemical kinetics.
RATE OF REACTION:
Change in concentration of reactant and product is per unit time is called rate of reaction.
EXPLANATION:-
When a...
This principle for the factor affecting the balance of chemical equilibrium.Le chatelier principle deacribe the factor which affect the balance of chemical equilibrium.
DEFINITION:
If a stress is applied on a reaction at equilibrium then reaction changes it's direction reduce the effect of that stress.
EXPLANATION:-
If...
