Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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- Carry out the following operations as if they were calculations fromexperimental data and express each answer in the correct units and with thecorrect number of significant figures.a. 5.6792 m + 0.6 m + 4.33 m =b. 3.70 g - 2.9133 g =c. 4.51 cm X 3.6666 cm =d. (22.4 g + 102.7 g + 0.005 g) / 5.478 ml =arrow_forward2. An object has a volume of 0.0012 m3 and a mass of of 2.26 kg. Calculate the density of the object in g/cm3.arrow_forwardThe mass of a certain atom is 2.086 x 10°22 g. This is the same mass as 2.086 x 10-16 mg. 2.086 x 10-25 kg. 2.086 x 10-28 Hg. O 2.086 x 10-31 ng.arrow_forward
- For the image attached be sure your answers have the correct number of significant figures plus show calculationsarrow_forward1.) 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 104arrow_forwardsignificant 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 2arrow_forward
- 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.arrow_forwardC,D,E,F, and Garrow_forwardQuestion 2arrow_forward
- Q1. from 0.8778 g/mL, please calculate the mass (in ug) of 71.38 nL of liquid 1. following this information below The volume of a given liquid is defined as the amount of the space occupied by the liquid that fully spreads to fill the storage place in which it is kept. The mass present per unit volume is known as density. Given data: Mass of empty pycnometer is 51.870 g. Mass of pycnometer when filled with liquid 1 is 86.313 g. Volume of pycnometer is 39.24 mL. Calculations The mass of liquid 1 can be calculated as shown below: Mass of liquid 1===(Mass of pycnometer when filled with liquid 1)−(Mass of empty pycnometer)86.313−51.87034.443 gMass of liquid 1=Mass of pycnometer when filled with liquid 1-Mass of empty pycnometer=86.313-51.870=34.443 g Volume of liquid 1 = Volume of pycnometer Hence the volume of liquid 1 is 39.24 mL Now, the density of liquid 1 can be calculated as follows: Density of liquid 1===Mass of liquid 1Volume of liquid 134.443 g39.24 mL0.8778…arrow_forwardComplete 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 cmarrow_forward
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