Matter and Energy: Mastery Test
Practices &I-EdCi
Mail-Jones, Sean -
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In the image, balls that look alike represent the same type of atom. Based on this information, what do the images below represent?
OA molecules of compounds
OB
molecules of elements
OC molecules of mixtures
OD molecules of water
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What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j
If many scientists conduct the same or similar experiments, and all obtain similar results, a can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works.
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