Laboratory Manual for Introductory Chemistry: Concepts and by Charles H. Corwin

By Charles H. Corwin

Emphasizing environmental concerns, Corwin’s acclaimed lab guide bargains a confirmed structure of a prelaboratory project, a stepwise strategy, and a postlaboratory task. greater than 300,000 scholars up to now in Introductory Chemistry, Preparatory Chemistry, and Allied wellbeing and fitness Chemistry have used those “bullet-proof” experiments effectively. The 6th variation encompasses a thoroughly up to date inside layout, new environmental icons denoting “green” good points, up-to-date prelabs, and lots more and plenty extra. Corwin’s lab handbook will be packaged with any Pearson Intro Prep Chemistry book.

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5 mL). 3. Tilt the graduated cylinder, and let the stopper slowly slide into the water. Observe the new water level, and calculate the volume by displacement for the stopper. 4. Repeat a second trial for the density of the rubber stopper. 5. Calculate the density of the rubber stopper and report the average value for both trials. Copyright © 2013 Pearson Education Density of Liquids and Solids 33 E. Density of an Unknown Solid 1. Obtain a rectangular solid, and record the unknown number in the Data Table.

A) a decimal system of measurement using prefixes and a basic unit to express length, mass, and volume (b) a metric unit of length (c) a metric unit of mass (d) a metric unit of volume (e) the clear lens at the surface of a liquid inside a graduated cylinder (f) the degree of inexactness in an instrumental measurement Key Terms: centimeter (cm), gram (g), meniscus, metric system, milliliter (mL), uncertainty 2. State the length measurement indicated on each of the following metric rulers. 3. 5 cm.

Thus, the density of the rubber stopper is limited to two digits. We will also determine the density of a solid. The volume of any solid object with regular dimensions can be found by calculation. For example, the volume of a rectangular solid object is calculated by multiplying its length times its width times its thickness. 443 g. 25 cm, what is its density? Solution: First, we calculate the volume of the rectangular block. 9 cm3 Second, we find the density of the unknown rectangular solid. 77 g/cm The thickness of aluminum foil is too thin to measure with a ruler.

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