Three Different Substances Are Placed in Three Separate,identical,open Dishes and Weighed.They

question 2

Essay

Three different substances are placed in three separate,identical,open dishes and weighed.They are each heated for a period of time.They are then cooled and weighed.The first dish is found to have lost mass,the second dish is found to have gained mass,and the third dish is found to have exactly the same mass it had before heating.How do you explain these results,knowing that mass is conserved in chemical reactions?

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Definitions:

Covenant Not to Compete

An agreement where one party agrees not to enter into or start a similar profession or trade in competition against another party.

Ongoing Business

A company or commercial enterprise that continues to operate and engage in its activities, as opposed to one that is in the process of closing down or has ceased operations.

Noncompetition

An agreement, often within a contract, that restricts one party from competing directly with another party, usually after termination of the agreement.

Disaffirm

To disaffirm means to legally reject or void a contract or agreement, usually because of the incapacity or unfairness to one party involved.