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Your Results for "Quiz 1"Print this pageSite Title:Tro, Introductory Chemistry, 5eStudy AreaBook's Title:Introductory ChemistryBook'sAuthor:Nivaldo TroLocation onSite:2. Measurement and ProblemSolving > Question Sets > Quiz 1Date/TimeSubmitted:January 25, 2017 at 1:58 AM(UTC/GMT)Summary of Results93% Correctof 15 questions:14 correct:93%1 incorrect:7%More information about scoring1.Your Answer:0.867 g/cm3The density of a substance is its mass divided by its volume.Reporting room temperature to be 25oC shows the same degree ofuncertainty as reporting it as 25.00oC.What is the density of a solid that has a mass of 10.4 g and has a volumeof 12.0 cm3?2.
3.Compared to a temperature measurement of 54oC, a measurement of54.00oC isYour Answer:more precise.The more digits recorded, the more precise the measurement.4.0.0080 expressed in scientific notation isYour Answer:8.0 × 10−3.Moving the decimal point to the right gives anegative3 exponent on the10.

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Term
Winter
Professor
Erin Whitteck
Tags
Decimal, International System of Units, Kilogram, Litre

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