Question

State the two laws of chemical combination.

Give example for the law of constant proportion.

What is the other name for the law of constant proportion?​

Answer 1

Answer:

1. The law of the conservation of mass, in which mass before reaction has to equal mass after reaction. The law of constant proportions, in which the ratio mass for the same compound is constant. The law of multiple proportions, in which multiple elements can combine with each other in multiple ratios; and finally.

2.The law of constant proportions states that chemical compounds are made up of elements that are present in a fixed ratio by mass. ... For example, in a nitrogen dioxide (NO2) molecule, the ratio of the number of nitrogen and oxygen atoms is 1:2 but the mass ratio is 14:32 (or 7:16).

3. In chemistry, the law of definite proportion, sometimes called Proust's law, or law of constant composition states that a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation.

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