tA compact disk is found to have a length of 12.2 centimeters. Using unit analysis, show what the length of the compact disk is in incheUse one of the following to set up the conversion factor.454 g 1 lb = 16 oz1 m 39.4 in = 3.28 feet2.54 cm=1 in1 km 0.621 miles1 L= 1.06 qt3.79 L=1 gal12.2 cm(number)(unit)×(number)(unit)

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Answered: t A compact disk is found to have a…

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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In lab, an empty weigh boat measures 11.2 g. A piece of metal is added to the weigh boat, and the total mass increases to 19.9 g. A graduated cylinder is filled with 24.5 mL of water. The piece of metal is carefully added to the graduated cylinder, and the volume increases to 28.2 mL. Using this data, find the density of the piece of metal, in units of g/mL.
1. What is the length of the rod shown below? 3 4 7 10 2. If Student A measures the volume of a liquid and reports its volume as 23.50 mL and Student B measures a different amount of the same liquid and reports its volume as 15.0 mL, is it likely that the students used the same measuring device? Yes or no? Explain your answer. 3. If you were asked to measure 25.0 mL of a liquid and to transfer it to another container, which of the following glassware could you use? Choose all that apply. Give reason(s). a) A 50-mL buret with smallest divisions of 0.1 mL b) A 50 mL beaker with smallest divisions of 10 mL c) A 50-mL volumetric flask d) A 50-mL graduated cylinder with smallest divisions of 1 mL e) A 25-mL pipet 4. A group of five students attempted to estimate 100 g of a substance by balancing the amount of the substance with a 100-g standard mass and obtained the following masses after each estimated amount was weighed: 95.8634 g, 80.8125 g, 106.5078 98.2865 and 86.4453 Create a data…
Complete the following non-metric conversions using the table of conversions in the slides. Remember to express your answer to the correct number of significant digits. Include only your numerical answers without units. Convert 1.730 lbs to kg Convert 53.11 in to m Convert 3.85 gal to L Convert 113.47 J to cal [a] kg [b] m [C] L [d] cal
The daily dose of ampicillin for the treatment of an ear infection is 115 mg ampicillin per kg of body mass. The pill is dispensed in 500.0 mg tablets. How many tablets should be given daily for a child weighing 75 lbs? Assume that a fraction of a tablet can be administered. Also assume that 1 kg is equivalent to 2.205 lbs. Not these answers: 1,773.54 6.9961 7 1,436.48 1436.5
A bone fragment displaces 4.27 ml of water and is found to have a mass of 4.646 g. What is the density of the bone fragment? (do not include units in your answer, just the numeric part and round off to the correct number of singificant digits)
Length SI Unit: meter (m) 1 meter = 1.094 yards %3D 1 inch = 2.54 centimeters (exactly) 1 kilometer = 0.6214 miles %3D 1 mile = 5280 ft %3D Convert 394 m to yards. Answer in decimal notation, without units.
Use density to calculate the volume of space (in cm3) 821.7 mg of gold would occupy the density of gold is 19.32 g/cm3.
In the lab, a student measures a teaspoon of an unknown liquid. The teaspoon of liquid has a mass of 6.83 g and a volume of 5.75 mL. How many teaspoons would be in 1.64 kg of this unknown liquid? Round your answer to the nearest whole number
What is the calculated volume?
A hot air balloon has a volume of 75000 cubic feet (ft³). The air in a hot air balloon has a density of 0.943 kg/m³. How many pounds of air are in the balloon? Notes: 1 m³-35.31 ft. 1 kg -2.201 lb
The ionic radius of a sodium ion is 2.27 angstroms (Å) . What is this length in um х STARTING AMOUNT *( ) 104 1010 10-8 10-4 108 106 0.0227 10-6 2.27 2.27 x 10-8 2.27 x 10-4 2.27 x 10-10 10 10 um cm m
please write down its units.

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