B. 100 mL Graduated cylinderCalculated density ofwater (g/mL)TrialVolume of water (mL)Mass of water (g)18-76919/mL16.18459/mlL14.23389/mL9.1199.9lmL10.01mL81.1859504mL6.03 mL9.62ML34.594985.8309g4.87.734gAverage density 2.227 glmL'Standard deviation in densityPercent error in density

B. 100 mL Graduated cylinder Calculated density of water (g/mL) Trial Volume of water (mL) Mass of water (g) 1 8-7691glmL 16.18459/mL 14 2338 9/mL 9.11999lmL 10.01mL 31.185 9 504mL 6.03 mL 9.62 mL 34.5949 35.830g 4 87.7349 Average density 12.227 glmL' Percent error in density Standard deviation in density

B. 100 mL Graduated cylinder Calculated density of water (g/mL) Trial Volume of water (mL) Mass of water (g) 1 8-7691glmL 16.18459/mL 14 2338 9/mL 9.11999lmL 10.01mL 31.185 9 504mL 6.03 mL 9.62 mL 34.5949 35.830g 4 87.7349 Average density 12.227 glmL' Percent error in density Standard deviation in density

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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5. and Precision of Laboratory Glassware ***Make sure to use the correct number of significant figures and units in all your measurements/calculations. A. 10 mL Graduated cylinder Calculated density of water (g/mL) Trial Volume of water (mL) Mass of water (g) 9.49mL 9.38ML 9.62 mL 1. 88.423g 9.39/mL 88.30899.419m 88.558919.219/mL 9 9.13.9/mL 2. 3 9.71ML 38-6599 4. Average density 4·2625glmL Calculate the percent error in the calculated density. Show your work. L emr= [Measured valeu- actual valeu ) actual valeu %3D Calculate the standard deviation in the calculated density. Show your work.
口 A www-awu.aleks.com S Zoom A ALEKS - Evelin Vazquez - Learn A Start Page * Start Page O MEASUREMENT AND MATTER Calculating mass density liquid density methyl acetate 0.93 mL g 0.63 mL pentane 0.79 mL acetone g 0.89 mL tetrahydrofuran g 1.6 mL carbon tetrachloride Next, the chemist measures the volume of the unknown liquid as 1925. cm° and the mass of the unknown liquid as 1.80 kg. Calculate the density of the liquid. Round your n, / mL answer to 3 significant digits. O yes Given the data above, is it possible to identify the liquid? O no O methyl acetate pentane acetone If it is possible to identify the liquid, do so. tetrahydrofuran O carbon tetrachloride Explanation Check O 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use 1,789 SEP stv 29
0 F3 4 $ Answer X f. 2.94 x 10-5 Answer+ 13. Write each of the following numbers in standard scientific notation. a. 1/1033 b. 1/105 c. 1/10-7 d. 1/0.0002 e. 1/3,093,000 f. 1/10 4 8.1/10⁹ h. 1/0.000015 14. Write each of the following numbers in standard scientific notation. a. 1/0.00032 RELTONGC MacBook Air F6 F7 O 000 000 F4 % 5 Pre H Re F5 < 6 & 7 * ► 11 8 F8 1 9 1 F9 O 1 0 FI
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Please show me how to do this conversion using standard scientific no
2. A student performs an experiment Her data is below: Table 1. Masses Before and After Pulling Steel Wool Apart Trial 1 Trial 2 Trial 3 158.93 g 157.45 g 145.67 g Initial mass of steel wool Final mass of steel wool Difference AVERAGE 158.92 g -0.01 g 157.48 g 0.03 g -0.003 g 145.64 g -0.03 g Draw a diagram to show the particles before and after pulling: Before After
Complete the following calculation and round based on 1.750qt. 1.750qt x 1L x 10 dL 316.5609 1.0567qt x 1L Write each piece of information as an equality and as a conversion factor. Information Equality km to m 1 km = 1000m 25mg medicine per 35mg =mL soution mL solution 3.76 m/s 3.76m = sec mL to L 1000 ML = 1 Liter gal to qt 1gal = at The room was 3.580m wide. What is the width in feet? Given Measurement Uni 3.580 m wid- 3.580-(F1, Equalities I Need to Use Conversion Setup
Rewrite this measurement with a simpler unit, if possible. gml. g g.mL-s Note: If you can simplify the unit at all, it may be possible to make more than one simplification. Be sure your final answer uses the simplest possible unit. 4.1 e 0.0 0.0 8 X P 4
STARTING AMOUNT + X 1 A student needs to run ADD FACTOR x( ) 18 mi/hr 3.2 0.58 mi/hr, how many hours will it take them to get to school? 60 Question 34 of 48 km km to get to school. If the student can run 5.5 0.36 1.609 min 35 ANSWER 5.5 mi 0.94 hr RESET 5 0.6214 3.2 Submit
Convert 1228 g/Lg/L into kg/MLkg/ML.
arch E C $ 4 101 R F V 15 % Convert 3.19 × 10-5 5 ADD FACTOR * ( ) 319 3.19 x 104 3.19 x 10-12 3.19 x 10-14 0.0319 T 0.01 G O 16 40 6 Y 10 0.001 H & 7 m to nanometers Use only the metric system. BN U 10-⁰ J [+ 8 M 1000 # fo 3.19 10⁰ 144 ( O 9 ANSWER 3.19 x 10- 10⁰ fo JI K 3.19 x 10" O ▶11 ) O L 3.19 x 10⁰ f11 PI P : 31.9 ; RESET 10⁰ S 112 { ? + [ 44 0.1 = 1 $ 1 ins prt sc } ← backspace ] delete ( pause home. num lock enter T shi
STARTING AMOUNT + X An onion skin is measured to be 0.0850 millimeters thick. How many inches is this? 2.16 0.850 ADD FACTOR x( ) 0.00850 3.35 in 10 0.335 0.00335 Question 33 of 48 0.00216 mm 100 2.54 m = 8.50 ANSWER 0.0216 0.0254 μm 0.01 1 1000 RESET cm 5 8.50 x 10-4 0.1 0.001 0.0850 Submit