Exam 1: Introduction: Matter, energy, and Measurement

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The recommended adult dose of Elixophyllin The recommended adult dose of Elixophyllin   ,a drug used to treat asthma,is 6.00 mg/kg of body mass.Calculate the dose in milligrams for a 134-lb person. ,a drug used to treat asthma,is 6.00 mg/kg of body mass.Calculate the dose in milligrams for a 134-lb person.

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________ is the abbreviation for the prefix mega-.

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If an object weighs 38.325 lbs,what would be the mass in grams? (2.20 lbs = 1 kg)

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3.337 g/cm3 = ________ kg/m3

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What decimal power does the abbreviation d represent?

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Round the number 0.00637 to two significant figures.

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There are ________ significant figures in the answer to the following computation: There are ________ significant figures in the answer to the following computation:

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The density (in g/cm3)of a gold nugget that has a volume of 1.68 cm3 and a mass of 32.4 g is ________.

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The correct result (indicating the proper number of significant figures)of the following calculation of the molecular mass for The correct result (indicating the proper number of significant figures)of the following calculation of the molecular mass for   4 × 15.9994 + 32.066 + 2 × 1.0079 4 × 15.9994 + 32.066 + 2 × 1.0079

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In the following list,only ________ is not an example of matter.

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Accuracy refers to ________.

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The correct answer (reported to the proper number of significant figures)to the following is ________. (2.01)(6.936)/ 12 = ________

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Mass and volume are often referred to as ________ properties of substances.

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________ significant figures should be retained in the result of the following calculation. ________ significant figures should be retained in the result of the following calculation.

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The density of silver is 10.5 g/cm3.A piece of silver that occupies a volume of 42.5 cm3 would have a mass of ________ g.

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________ is the abbreviation for the prefix milli-.

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A temperature of 100.°F is the same as ________ °C.

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The symbol for the element platinum is ________.

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A 210.lbs person is required to take a medication at a dose of 5.00 mg per kg of body weight twice a day.How much medication would the person take in a 24 hour period? (Indicate the number in proper scientific notation with the appropriate number of significant figures.)

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A wooden object has a mass of 10.782 g and occupies a volume of 13.72 mL.What is the density of the object determined to an appropriate number of significant figures?

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