Enthalpy (H) and Enthalpy Change (DH)
>The sum of internal energy and PV energy of any system, under a particular set of conditions, is called enthalpy. It is denoted by H. Mathematically, it may be put as H = E + PV Some important features of enthalpy are: (i) It is a state function. (ii) It is also called heat content of the system. ..
>The sum of internal energy and PV energy of any system, under a particular set of conditions, is called enthalpy. It is denoted by H. Mathematically, it may be put as H = E + PV Some important features of enthalpy are: (i) It is a state function. (ii) It is also called heat content of the system. ..Framing of Formulae
We use alphabets like x, y, z etc., to denote variables. For example the length of a rectangle is denoted by 'l'. It takes different values in different rectangles. A formula is a relation between different variables formed using mathematical symbols. Any g..
Summary
In a given sentence, the variables are replaced by letters and the different operations are replaced by their mathematical symbols. We now arrive at a formula. ..
Permutations
The different arrangements that can be made with a given number of things taking some or all of them at a time are called permutations. The symbol n P r or P(n,r) is used to denote the number of permutations of n things taken r at a tim..
Permutations
Permutations - The different arrangements that can be made with a given number of things taking some or all of them at a time are called permutations. The symbol n P r or P(n,r) is used to denote the number of permutations of n things taken r at a tim..
Theory of Special Creation
According to this theory, all the different forms of life that occur today on planet earth, have been created by God, the almighty. This idea is found in the ancient scriptures of almost every religion. According to Hindu mythology, Lord Brahma, the God of Creation, created the ..
Framing of Formulae Summary
Summary - In a given sentence, the variables are replaced by letters and the different operations are replaced by their mathematical symbols. We now arrive at a formula. In a given sentence, the variables are replaced by letters and the different operations are replace..
Permutations
The different arrangements that can be made with a given number of things taking some or all of them at a time are called permutations. The symbol n P r or P(n,r) is used to denote the number of permutations of n things taken r at a tim..
Resistance
It is the ratio of potential difference between the ends of a conductor to the current flowing through it. It is measured in ohms (symbol: ..
It is the ratio of potential difference between the ends of a conductor to the current flowing through it. It is measured in ohms (symbol: ..Determination of the empirical formula of a compound
The empirical formula of a compound is determined from the percentage composition of different elements and atomic masses of the elements. The various steps involved in determining the empirical formula are: The percentage of each element is divided by its atomic mass. This gives the r..
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