Study Guide for Content Mastery

1 Copyright Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Guide for Content MasteryChemistry: Matter and Change Chapter 27 Data AnalysisData AnalysisSection of MeasurementIn your textbook, read about SI the following your textbook, read about base units and derived each SI unit in Column A, write the letter of the matching item from Column AColumn Table 2 2 in your textbook to arrange the following prefixes in order from largest to the symbols and factors that the following prefixes Study Guide FOR Content MASTERYCHAPTER2 QuantityBase unitUnit Base platinum-iridium cylinder that is stored at constant temperature microwave frequency given off by a cesium-133 cube whose sides all measure exactly one distance that light travels through a vacuum in 1/299 792 458 secondCopyright Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies.

2 Matter and Change Chapter 2 Study Guide for Content MasteryAnswer the following temperature scale will you use for your experiments in this class? Is this an SI unit? many grams are in a kilogram? many liters are in a megaliter? many centimeters are in a meter? is the difference between a base unit and a derived unit? is density? in terms of density why a grocery bag containing all canned goods is harder tolift than a grocery bag containing all paper can you obtain an object s volume if you know its density and its mass? is the three-part process for problem solving? are degrees Celsius converted to kelvins?Section continuedSTUDY Guide FOR Content MASTERYCHAPTER2 Copyright Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Guide for Content MasteryChemistry: Matter and Change Chapter 29 Section Notation and Dimensional AnalysisIn your textbook, read about scientific the figures that are written in scientific 10 100161 62 10 27kg 39 10 31kg 10 81 380 the following data into scientific 000 000 km 421 g 394 000 000 s cm In your textbook, read about dimensional the following is a conversion factor?

3 Is dimensional analysis?Complete the following dimensional analysis 50 kilograms into 1000 /1 50 000 5 meters into 100 /1 500 5 liters into 1 /1000 5 centimeters into 1 /100 55 kilometers per hour into meters per second. Use the conversion factor 1 km = 1000 / 1000 /1 1 /60 1 /60 15 Study Guide FOR Content MASTERYCHAPTER2 Copyright Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, : Matter and Change Chapter 2 Study Guide for Content MasterySection reliable are measurements?

4 In your textbook, read about accuracy and the terms preciseand accurateto describe the following figures. You may use bothterms for some figures. If a term does not apply to a figure, leave the space the letter of the choice that best completes the statement or answers the difference between an accepted value and an experimental value is called a(n) ratio of an error to an accepted value is called a(n) you calculate percent error, you can ignore the and minus two measurements are very close to each other, then they are accurate and of the following is most likely to produce data that are not precise? balance that is not set to reading a graduated cylinder at eye the procedure during an the same error with each trialSTUDY Guide FOR Content MASTERYCHAPTER2 Copyright Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Guide for Content MasteryChemistry: Matter and Change Chapter 211In your textbook, read about significant each of the terms below just once to complete the digits that are reported in an answer are called.

5 Numeral has three significant figures, two known figures and are always final to the right of the decimal place are that act as are not an infinite number of significant you convert to , you remove the placeholder your textbook, read about rounding off the following to four significant km 999 456 to the requested number of significant significant figures significant figures significant figures significant figures 416 to the requested number of significant significant figures significant figures significant figures significant figures the following calculations. Round off the answers to the correct number of significant kg kg cm cm m m m s Section continuedSTUDY Guide FOR Content MASTERYCHAPTER2counting numbersestimatednon-zerozerosscientific notationsignificant figuresplaceholdersCopyright Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, : Matter and Change Chapter 2 Study Guide for Content MasterySection DataIn your textbook, read about each kind of graph the following questions about the percent of the sources of chlorine in the stratosphere are CFCs?

6 Which month of the year does Jacksonville usually get the most precipitation?The least?In your textbook, read about line the following steps. Write 1beside the first step in plotting a line graph. Write 2beside the second step, and so the graph a the ranges for the the independent and dependent the data the range of the data that needs to be plottedfor each the best fit line for the and label each in Jacksonville (1961 1990)FebMarAprMayJunJulAugSepOctNovDecAv erage precipitation (inches)Carbontetrachloride12%CFC 1123%CFC 1228%CFC 1136%HCFC 223%Methylchloroform10%Methylchloride 15%Hydrochloricacid 3%ManufacturedcompoundsNatural sourcesSources of Chlorine in the StratosphereSTUDY Guide FOR Content MASTERYCHAPTER2