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In Science

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.

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Here is a quick definition: un-proportional is where two things cannot ever be equal or similar, for example 2 is proportional to 4, because if 2 is doubled it becomes 4, but …3 is not proportional to 5 because they can never be equal. I hope this helped (MORE)

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In Astrology

Joseph Proust came up with the Law of Definite Proportions during several experiments he conducted between 1798 and 1804. The Law of Definite Proportions forms the basis o…f stoichiometry. (MORE)

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In Chemistry

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 ato…ms in fixed proportions. (MORE)

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In Math History

Indirect proportion is more famously known as Inverse Proportion. Inverse proportion is the exact opposite of Direct Proportion. Inverse Proportion -As one quantity incr…eases other quantity decreases. An example problem: If 4 painters can paint a house in 6 days then how many days can 8 painters paint a house of the same size? To solve, use cross product 4 painters=6 days 8 painters=x 4x6=24 24/8=3 To paint the same house,8 painters need 3 days. (MORE)

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In Science

One ratio or fraction compares part of a quantity to the whole quantity. The other ratio is the equivalent percent written as a fraction with a denominator of 100 and they… can divide (MORE)

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In Science

sixth postulate of Dalton's atomic theory which states that "The relative number and kinds of atoms are constant in a given compound" can explain the law of definite proportio…ns. (MORE)

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In Chemistry

The law of conservation of mass states that matter cannot be created or destroyed. The law of definite proportions states that a chemical compound will always contain the …same proportion of elements by mass. The laws complement each other in keeping all reactions balanced. (MORE)

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In Chemistry

Law of definite proportions states that a chemical compound always contains exactly the same proportion of elements by mass. Law of constant proportion states that every pure …substance always contains the same elements combined in the same proportions by weight. (MORE)

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20c + 5 = 5c + 65 Divide through by 5: 4c + 1 = c + 13 Subtract c from both sides: 3c + 1 = 13 Subtract 1 from both sides: 3c = 12 Divide both sides by 3: c = 4 20c + 5 = 5c …+65 20c - 5c= 65 - 5.
15c = 60.
15c/15 = 60/15.
c = 4 (alternative method). (MORE)