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In was in 1799 that Joseph Proust discovered the law of definite proportions, or Proust's Law. Proust was a French chemist.
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What are the other contribution of Joseph Proust aside in atomic theory development?
big balls that clack together make a good noice
Are the elements that make up a compound joined in a fixed proportion?
This is an old rule (Law of definite proportions) not valid for nonstoichiometric compounds.
How can the existence of atoms help explain the law of definite proportions?
If the mass proportions of the original substances do not equal these definite proportions, there will something of one of the original substances be left over. Note that this is special, it could as well have turned out to be possible for substances to combine in any proportion. So we find the law of definite proportions. Now we should be baffled and wonder how on Earth could that be so? And then we could think of substances being made of small particles (atoms) or groups of such particles (molecules) to explain the laws of nature that we found. So the laws of definite proportions and multiple proportions are (partially) proof for the existence of atoms which combine into molecules. The laws are the real thing and atoms and molecules and their chemical formulas are the ideas we make to understand the laws.
How can the existence of atoms help to explain the law of definite proportions?
The existence of atoms explains the law of definite proportions by suggesting that chemical substances are made up of atoms that combine in fixed ratios. Each atom has a specific mass and combining these atoms in fixed proportions leads to compounds with consistent ratios of elements. This consistency supports the law of definite proportions, which states that a compound will always contain the same elements in the same ratio by mass.
The difference between law of definite proportions and law of multiply proportions?
Both laws have to do with relating to Dalton's Atomic Theory. The only difference is that the Law of Definite Proportions deals with elements combining to form ONE compound in a simple whole number ratio. The Law of Multiple Proportions is comparing the same 2 elements that make up 2 different compounds, the division of these 2 ratios should equal a simple whole number ratio.
When two or more different elements joined together in fixed proportions is known as?
A compound is the pure substance formed from the chemical combination of two or more different elements in a fixed ratio.
How is proportion used in every day life?
people use proportions in cooking and architects use proportions to make the blueprints.
What does Dumbo do to make his ears enlarge to huge proportions?
Sneeze
What proportions of nutmeg cinnamon and cloves should you use to substitute for allspice?
Please let me know what proportions is use of spice to make all spice
Blue and orange make?
Depends on proportions, of course, but generally brown.
What 2 colors make black?
proportions of yellow , red , and blue
What do Chemical composition describes?
"chemical composition" is talking about the individual chemicals that make up a substance. The chemicals it is composed of. eg, wood is mainly carbon, with some water (which is hydrogen and oxygen) and various minerals.
