Which of the following are laws of chemical combination?Select answersALaw of conservation of massBLaw of definite proportionsCLaw of multiple proportionsDLaw of conservation of Energy
Question
Which of the following are laws of chemical combination?Select answersALaw of conservation of massBLaw of definite proportionsCLaw of multiple proportionsDLaw of conservation of Energy
Solution
The laws of chemical combination include:
A. Law of conservation of mass: This law states that mass can neither be created nor destroyed in a chemical reaction. Therefore, the total mass of the reactants will always be equal to the total mass of the products.
B. 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 amount of the compound or its source.
C. Law of multiple proportions: This law states that when two elements combine to form more than one compound, the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.
D. Law of conservation of Energy is not a law of chemical combination. It is a general law of nature that states that energy cannot be created or destroyed, but only changed from one form into another.
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