a Express the following measurement in scientific notation 2574.2 mL 2574.2 x 103 mL 2.5742 x 103 mL 2574.2 x 102 mL 2574.2 mL b Express the following measurement in scientific notation. 1.0001 g 1.0001 x 103 g 1.0001 x 10 g 1.0001 x 102 g 1.0001 g Submit C Express the following measurement in scientific notation. 100.70C 100.7 x 103C 100.7 x 103C 1 007 x 1020

a Express the following measurement in scientific notation 2574.2 mL 2574.2 x 103 mL 2.5742 x 103 mL 2574.2 x 102 mL 2574.2 mL b Express the following measurement in scientific notation. 1.0001 g 1.0001 x 103 g 1.0001 x 10 g 1.0001 x 102 g 1.0001 g Submit C Express the following measurement in scientific notation. 100.70C 100.7 x 103C 100.7 x 103C 1 007 x 1020

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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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
Interconverting compound SI Convert the following measurement. 2 8 g.cm kg m 9.68 x 10 S
In the lab, you have measured 10mL of water 5 times. (water has density of 1.000mg/mL). Each time you weighted 10mL of water and recorded in the notebook. The five measurements are below. Trial 1: 9.865 g Trial 2: 9.996 g Trial 3: 9.563 g Trial 4: 9.658 g Trial 5: 10.235 g Select all the statements that are true 1. Can't determine the average 2. Can't determine the standard deviation 3. Average weight of 10mL of water is 9.863g 4. Standard Deviation of 5 measurement is 0.268 5. Average weight of 10mL of water is 9.863g with standard deviation of 0.268 6. There is no right answer 7. All answers are correct
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Decide whether each proposed addition or subtraction of measurements is possible. If it is possible, write the result in the last column of the table. Be sure every answer you enter has the correct unit symbol. proposed addition or subtraction Is this possible? ☐ result ×10 = 40.000 m 18.000 mg - ? Oyes ☐ Ono 29.000 s 37.000 ms = ? Oyes O no 42.000 ms 24.000 ms = ? O yes ☐ O no
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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
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