Question

Define all laws of chemical combination?

Answer 1

Hey there,

1. Law of Conservation of mass-In any reaction, the mass of reactants is always equal to the mass of products. It was given by Antoine Lavoisier.

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2.Law of constant proportions-In any compound, the ratio by which different elements will always remain same irrespective of origin and method of preparation. It was give by Proust.

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3. Law of Multiple proportions-In any compound, the elements reacts with a simple ratio by mass which is small real numbers.It was given by Dalton.

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4.Gay Lussac's law-In a reaction, elements combine with a simple ratio by volume which is real number. It was given by Gay Lussac.

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Answer 2

Hey Nicks!

The field of study of chemistry became especially relevant when the relationships between the quantities and / or volumes of the substances in the chemical reactions were discovered. Such quantities relations could refer to the mass of the substances (weight laws) or to their volumes when they were in gaseous form (volumetric laws).


♣ FUNDAMENTAL LAWS OF CHEMICAL REACTIONS:


1. Law of the conservation of the mass (or law of Lavoisier).

"Matter is neither created nor destroyed, only transformed"
 
2. Law of definite proportions (law of constant composition or law of Proust)

"When two or more elements combine to form a compound, they always do so in a constant mass ratio"
 
3. Law of Multiple Proportions (or Dalton's Law)

"When two elements combine to form more than one compound, the weights of the element that is combined with a fixed weight of the other maintains a relation of small integers"
 
4. Law of Combination Volumes (or Gay-Lussac Law)

"In a chemical reaction under constant pressure and temperature, the volumes of all the gaseous substances involved in it have a relation of simple integers."

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