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What year did Joseph Proust make the law of definite proportions?
In was in 1799 that Joseph Proust discovered the law of definite proportions, or Proust's Law. Proust was a French chemist.
What was Antoine Lavoisier important discovery?
He discovered that the phlogiston theory was incorrect, and recognized and named oxygen and hydrogen. He accepted that sulfur is an element, had contributions to metric system, established a list of chemical elements, discovered that diamond is a form of carbon, discovered that water is formed from oxygen and hydrogen, etc.He proposed independently (he had any knowledge of Lomonosov works) the law of mass conservation.Joseph Proust is credited with the discovery of the Law of definite proportions.
Who discovered Law of Definite Proportions?
He combined elements such as iron and copper with oxygen, based off the reaction he found that oxygen's composition was always one of two.
What is the law that states that a chemical compound always contains the same elements in exactly the same proportions by w eight and mass?
The law you are referring to is the Law of Definite Proportions. This law states that a chemical compound always contains the same elements in the same proportions by mass, regardless of the source of the compound.
Is the law of definite composition the same as the law of definite proportion?
yes it is .. also called prousts law
When was the law of definite proportions developed?
The law of definite proportions was developed by Joseph Proust in 1806.
What is the name of the chemical law?
For example the law of definite proportions.
Which of Dalton's four principles support law of definite proportions?
Dalton\'s principle of compounds supports the law of definite proportions.
Does a mixture obey the law of definite composition?
Yes, a mixture does not obey the law of definite composition. Mixtures can have varying proportions of different substances, whereas compounds, which obey the law of definite composition, have a fixed ratio of elements.
Is it true that a chemical has a definite composition?
Yes, after the Law of definite proportions; but now it is clear that this law is not applicable to all known chemical compounds.
1 Differentiate between The Law of Definite Proportions and The Law of Multiple Proportions?
Well definite is broad and multiple is more exact that's about what I can think of
What theory states that a given compound will always contain exactly the same proportion of elements by weight?
Law of definite proportion or law of definite composition.
