3. Round the following quantities to the specified number of significant figures: 8109 a. 5 487 129 m to three significant figures b.0.013 479 265 mL to six significant figures c. 31 947.972 cm² to four significant figures d. 192.6739 m² to five significant figures e. 786.9164 cm to two significant figures f. 389 277 600 J to six significant figures g.225 834.762 cm³ to seven significant figures

3. Round the following quantities to the specified number of significant figures: 8109 a. 5 487 129 m to three significant figures b.0.013 479 265 mL to six significant figures c. 31 947.972 cm² to four significant figures d. 192.6739 m² to five significant figures e. 786.9164 cm to two significant figures f. 389 277 600 J to six significant figures g.225 834.762 cm³ to seven significant figures

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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1. An irregularly shaped piece of halite (salt) has a mass of 220 g. In order to find its volume without dissolving it, it is submerged in oil, which has a density of 0.80 g/cm³. The sample displaces 100 ml of oil. What is the density of the sample? A. 2.8 g/cm³ B. 2.2 g/cm³ C. 1.8 g/cm³ D. 0.45 g/cm³
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1.) There are exactly 2.54 centimeters in 1 inch. When using this conversion factor, how many significant figures are you limited to? A. unlimited number of significant figures B. depends on if you are using it in multiplication/division or addition/subtraction C. ambiguous D. 3 E. 1 2.)A room has dimensions of 10.0 ft × 20.0 ft × 8.00 ft. Given that there are three feet in a yard, what is the volume of the room in yd3? A. 178 B. 1.60 × 103 C. none of the above D. 59.3 E. 533 3.) What is the standard scientific form for the number 0.0002500? A. 2.500 x 104 B. 2.500 x 10-4 C. 2.50 x 10-4 D. 2.5 x 104
significant figures and units. 3. Perform the following calculations and report the answer with the correct number of A. (9.2030 g)(0.00230 g) + 0.1020 g² = 00²0211237 0.10205² 0.123292 B. 234.020 g- 184.08 g 382.402 mL-326.322 mL (1 fl oz = 29.6 mL) 4. An aluminum beverage can contains 12.0 fluid ounces of liquid. Express this volume in liters. 12. uffaz X 560 080ML 49.949 = 0.8905g/mL CHE 1011 29.6mL = 355.2 mL Ift:0² (1 in = 2.54 cm) 5. What is the volume, in cubic centimeters, of a brick that is 4.0 in x 2.7 in × 8.0 in? 4.0A x 2,54 cm = 10.16cm liAcc 207 + x 2.54cm = 60858cm هذا 8.0MAX 2.54cm ITA 20032cm So volume 20.32cm x 6.858cm x 200320 1415.84 cm³ 6. The S.I. unit of energy is the joule, J (1 J = 1 kgom²/s²). Another energy unit, the erg, was once in widespread use (1 erg = 1 gocm²/s²). Calculate the number of ergs in 1.0 J. Page 2 of 2
M Gmail YouTube = Maps O MEASUREMENT Counting significant digits when measurements are multiplied o... Multiply or divide the following measurements. Be sure each answer you enter contains the correct number of significant digits. 764.45 g 0.39 mL = 786.4 mol 48.853 L 7.81 mol L X 4.25 L = = 0 g mL mol 0- mol x10 X Ś 0/5 Olivi.
C,D,E,F, and G
Question 2
Complete the following addition/subtraction calculations. Report your final answer to the correct number of significant figures and units. 14.62 g+ 0.1338 g 359.6+56.07 - 1088 367.2580 g - 80.4 g VI. Complete the following calculations. Report your final answer to the correct number of significant figures and units. 6.8 cm x 0.290 cm
A metal object has a mass of 8.0 x 108 micrograms (ug). What is it's mass in kilograms (Kg)? O a. 8.0 x 105 Kg O b. 0.8 Kg 08.0 x 108 Kg O d. 0.80 Kg