Mathematics

Mathematics, 06.07.2019 20:30, SmokeyRN

Give me the definition for pure substance & give me an example.

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Mathematics, 26.06.2019 09:00, tsdean21

Will give brainliest to correct answer one way to identify a substance is to compare the density of the substance with the density of a known substance. suppose a cube of a gold-colored metal with a volume of 58 cm3 has a mass of 979 g. the density of pure gold is known to be 19.3 g/cm3. based on this information, could the metal be pure gold? a.no. the density is more than pure gold. b.no. the density is less than pure gold. c.yes. the density equals that of pure gold.

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Chemistry, 11.09.2019 00:30, 506132

Based on the information given, classify each of the pure substances as elements or compounds, or indicate that no such classification is possible because of insufficient information. analysis with an elaborate instrument indicates that substance a contains two elements. substance b and substance c react to give a new substance d. substance e decomposes upon heating to give substance f and substance g. heating substance h to 1000 ∘c causes no change. substance i cannot be broken down into simpler substances by chemical means. substance j cannot be broken down into simpler substances by physical means. heating substance k to 500 ∘c causes it to change from a solid to a liquid.

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Mathematics, 21.09.2019 16:30, alexamorantess

A) give the definition of sequence of real numbers (xn). then give 2 example. b) give the definition of convergent sequence. then give 2 example. c) give the definition of cauchy sequence. then give an example 0. d) show that lim n+1 72

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Give me the definition for pure substance & give me an example....

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