Suppose an experiment measures a mass, heats it over a flame without changing its state, measures it again, and finds the mass to be different. which statement best describes the kind of change that could have taken place a. physical change because the substance became more denseb. chemical change because mass was lost, most likely as a gasc. chemical change because the chemical property of mass changedd. physical change because the mass melted going from a solid to a liquid
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What is the length x of the side of the triangle below? (hint: use the cosine function)
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The gravitational force between pluto and charon is 3.61 × 1018 n. pluto has a mass of 1.3 × 1022 kg, which is only slightly greater than charon’s mass of 1.6 × 1021 kg. how far apart are pluto and charon? 2.0 × 107 m 2.4 × 1012 m 3.8 × 1014 m 5.8 × 1024 m
Answers: 1
Suppose an experiment measures a mass, heats it over a flame without changing its state, measures it...
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