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
Multiply or divide the following measurements. Be sure each answer you enter contains the correct number of significant digits esc 274.4 m ÷ 61.739 s = 235.87 mol + 0.54 L = 7.808 8 mL Expmation x 2.825 mL = Check W 0 mol L 0 g > H E R Costa X 5 MacBook Pro I 2022 McGraw Hill LLC. All Rights Reserved. Te You *
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
Five students set out to determine the average mass of a half-dollar coin. In performing their measurements, they obtained the following measurements: Student 1 Student 2 Student 3 Student 4 Student 5 Coin # Mass (g) 1 11.369 Coin # Mass (g) Coin # Mass (g) Coin # Mass (g) Coin # Mass (g) 1 11.378 11.357 1 11.401 1 11.330 2 11.433 2 11.363 2 11.264 2 11.352 2 11.424 3 11.380 3 11.419 3 11.274 3 11.278 3 11.368 4 11.333 4 11.439 11.323 4 11.399 41 11.386 4. 5 11.348 5 11.405 5 11.331 5 11.340 5 11.325 6 11.434 7 11.355 6 11.359 6 11.382 6 11.306 6 11.326 7 11.310 7 11.345 7 11.371 7 11.362 8 11.443 8 11.429 8. 11.369 8 11.284 8 11.305 9 11.369 10 11.271 9 11.446 9 11.406 9 11.260 9 11.401 10 11.345 10 11.419 10 11.263 10 11.316 The average mass of a half-dollar coin is supposed to be 11.340 grams. Of the students, which one was the most precise in their measurements [Select ) Student 2 Student 3 Student 4 Student 1 Student 5 Next
Countinly Multiply or divide the following measurements. Be sure each answer you enter contains the correct number of significant digits. 7.808 cm x 2.2 cm 20.947 x 45. L = mol L 419.9 m+ 83.888 s Explanation = Check U cm mol m 0-- OP X S Ⓒ2022 McGraw Hill CDI
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
=D2 = 4 Convert the following measurement. mol 6. 9.6 x 10 mol 21 kg 'm 21 g'cm L5
Conversions: follow the same format in the image provided and answers must be in scientific notation. a. 9.90 cm to pm b. 7.50 cm to km
The label on a soft drink bottle gives the volume in two units: 591 mL and 20. oz. Use this information to derive a conversion factor between the English and metric units. For a volume of 1250 mL, a conversion to oz will require the following conversion factor. 591 oz 20. mL 20. oz 591 mL 20. mL 591 oz 591 mL 20. oz
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