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What person's experiments showed that elements combined in definite and constant proportions?
Wiki User
∙ 13y ago
John Dalton
Wiki User
∙ 13y ago
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What experiments were used to prove the law of multiple proportions?
The experiments that were done to prove the law of definite proportions are called Proust's Law. These are several experiments conducted to combined different types of atoms in fixed proportions.
State the law of definite proportions?
The law of definite proportions states that all chemical compounds have constant proportions of their components.
What is the name for two elements that are cheically combined in definite proportions?
Compounds.
How are compounds diffident from mixtures?
Compounds are composed of atoms of different elements chemically bonded in definite proportions. The components of mixtures are not chemically combined and they do not have definite proportions.
What are two or more different atoms are combined in definite proportions in any?
compound
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?
Law of definite proportion, sometimes also called the law of constant composition.
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.
When was the law of definite proportions developed?
The law of definite proportions was developed by Joseph Proust in 1806.
Who proposed the law of definite proportion?
The Law of Definite Proportions is also called Proust's Law after Joseph Proust. It was brought about as a result of experiments from 1798 to 1804.
What does the law of constant proportions say about a reaction that has too much of one of the reactants?
The law of definite proportions says that a reaction that has too much of one of the reactants will eventually stop because it will run out of the other reactant(s). This is also referred to as the law of constant composition.
Can the proportions of magnesium and oxygen in magnesium oxide be changed?
No. Magnesium oxide, MgO, is a compound, which means it is a pure substance, in which the magnesium and oxygen are present in definite proportions, in this case 1:1. This is in accordance to the law of definite proportions, which states that every pure substance always contains the same elements combined in the same proportions by weight. Also, magnesium ions have a charge of 2+ and oxide ions have a charge of 2-, so that one magnesium ion combined with one oxide ion balances to an overall charge of zero.
Which of Dalton's four principles support law of definite proportions?
Dalton\'s principle of compounds supports the law of definite proportions.
