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Chemical Equations
Chemical Equations - A chemical equation is a shorthand way of describing the events that occur in a chemical change or reaction. The method of representing a chemical reaction with the help of symbols and formulae of the substances involved in it i..
Thermal-Chemical Effects of Currents Summary
A e is called Faraday constant (or Faraday) and denoted by F. From the measured values of F = 96,487 C/mol (from experiments on electrolysis) and of N A = 6.02 x 10 2 3 /mol (from experiments on Brownian motion), e is estimated to be 1.6 x 10 - 1 9 C. In electrochemical cells, chemical..
Chemical Reactions Introduction
Introduction - There are just 26 alphabets in English language, but the number of words are innumerable. You have studied about the 115 known elements and how they are classified for systematic and comprehensive study. Thousands of compounds are born by various chemical reactions involvin..
Some Important Chemical Compounds Summary
Summary - Common name Chemical name Formula Washing soda Sodium carbonate decahydrate Na 2 CO 3 .10H 2 O Baking soda Sodium bi carbonate NaHCO 3 Quick lime Calcium oxide CaO Bleaching powder Calcium oxychloride CaOCl 2 Slaked lime Calcium hydroxide ..
Writing of a Chemical Equation
Steps followed to write a chemical equation are: The reactants and products of the reaction are identified and written down. The formulae or symbols of the reactants are written on the left hand side with a '+' sign in between them. The formulae or symbols of ..
Steps followed to write a chemical equation are: The reactants and products of the reaction are identified and written down. The formulae or symbols of the reactants are written on the left hand side with a '+' sign in between them. The formulae or symbols of ..Nuclear Energy and Chemical Energy
>Complete the following fission reaction: What should be the value of x? Is the mass conserved? Explain. Suggested Answer:- x = 3 Mass is not conserved. The difference in mass is converted to energy as the binding energy of the nuclides changes. Example 9:- What is the function of control rods in a..
>Complete the following fission reaction: What should be the value of x? Is the mass conserved? Explain. Suggested Answer:- x = 3 Mass is not conserved. The difference in mass is converted to energy as the binding energy of the nuclides changes. Example 9:- What is the function of control rods in a..Electricity, its Heating, Chemical and Magnetic Effects
Appliances used in our day to day life are based on the principles of electricity and magnetism. Electricity is one of the most important sources of energy. Lights, fans, motors, radios and television are some common appliances which work on electricit..
Uses
PAHs are formed by incomplete combustion of hydrocarbons, and can be isolated from the processing of fossil fuels. Many of these compounds have no use other than research. There are some, however, that are important in the making of pharmaceuticals, dyes, plastics, and pesticides. Naphth..
Uses of Sulphur
Uses of Sulphur - The most important use of sulphur is in the manufacture of sulphur compounds, such as sulphuric acid, sulphites, sulphates, and sulphur dioxide. Medicinally, it has assumed importance because of its widespread use in sulpha drugs and in many skin oint..
Uses of Water
Uses of Water - 1. For drinking and for life processes. On an average, a man consumes about 60,000 to 80,000 litres of water in his lifetime. The body of an adult contains nearly 40 to 50 litres of water at any given time and water constitutes about 66% of the average body make up. Aqueou..
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