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Problem

Identify the postulate of Dalton’s theory that is…

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Problem 1 Problem 2 Problem 3 Problem 4 Problem 5 Problem 6 Problem 7 Problem 8 Problem 9 Problem 10 Problem 11 Problem 12 Problem 13 Problem 14 Problem 15 Problem 16 Problem 17 Problem 18 Problem 19 Problem 20 Problem 21 Problem 22 Problem 23 Problem 24 Problem 25 Problem 26 Problem 27 Problem 28 Problem 29 Problem 30 Problem 31 Problem 32 Problem 33 Problem 34 Problem 35 Problem 36 Problem 37 Problem 38 Problem 39 Problem 40 Problem 41 Problem 42 Problem 43 Problem 44 Problem 45 Problem 46 Problem 47 Problem 48 Problem 49 Problem 50 Problem 51 Problem 52 Problem 53 Problem 54 Problem 55 Problem 56 Problem 57 Problem 58 Problem 59 Problem 60 Problem 61

Problem 2 Easy Difficulty

Which postulate of Dalton’s theory is consistent with the following observation concerning the weights of reactants and products? When 100 grams of solid calcium carbonate is heated, 44 grams of carbon dioxide and 56 grams of calcium oxide are produced.

Answer

It is consistent with the postulate that total matter during a chemical reaction is conserved.

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Video Transcript

The question says that calcium carbonate is heated to generate carbon dioxide and calcium oxide. It also tells us that 100 grams of calcium carbonate generates 44 grams of carbon dioxide in 56 grams of calcium oxide. We were, to some, the masses of the products we would see. They also have a mass with 100 grams. When the massive, reactant sequels, the massive products, we say that matter was conserved. So as for which of Dalton's theories is supported by these data, we would say they're consistent with the postulate that the total matter during a chemical reaction is conserved.

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Paul Flowers, Klaus Theopold, Richard Langley, William R. Robinson

Chemistry

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