Please help with 7&8 Chem 105 OnlineDensity of Metal Stacked Metal Coins1. Obtain the mass of 5 coins of the same denomination. Note if you are usingpennies, nickels, dimes, or quarters. 24.842.Measure the diameter of the stack of the coins in cm. Use this measurementto determine the radius of the coin stack.3.Measure the height of the stacked coins in cm.4. Using the formulas in the data collection page, determine the volume of thecoins.5. Using the mass and the volume of the coins, determine the density of the coins.6. Using the accepted value for the metal coin density, determine the percent error.1.6cm(Nickels)1. Diameter of the cylinder of coins2.Radius of the cylinder0.8cm3. Calculated area of base of cylinder(area = л²)Height of the cylinder4.5.Calculated volume of the cylinder(volume = area base x height)6. Mass of stacked coins7. Calculated density of stacked coins8. Percent error to 3 sfQuarter, 7.01Calculations:3.1416x. 64-20106240.6cm24.84True Density of Coins (g/cm³)Dime, 6.67Nickel, 7.25ChemPenny, 5.77POSTUSING WHAT YOU HAVE LEARNEDGiven your experience of finding the densities of several different items in today's activity, youwill determine the thickness of an aluminum sheet. The density of aluminum is 2.70g/cm³.What YOU have to do:1. Write a step by step process that is clear to the reader on your procedure and determinethe thickness of aluminum foil. List your steps here in complete sentences.

Given, We are using nickel for making a stack of 5 coins Diameter of a cylinder of coins = 1.6 cm…

1. Diameter of the cylinder of coins 2. Radius of the cylinder 3. Calculated area of base of cylinder (area = ²) 4. Height of the cylinder 5. Calculated volume of the cylinder (volume = area base x height) 6. Mass of stacked coins 7. Calculated density of stacked coins 8. Percent error to 3 sf Quarter, 7.01 1.6cm 0.8cm Dime. 6.67 0.6cm 24.84 True Density of Coins (g/cm³) (Nickels) Nickel 725 Penny 5.77

1. Diameter of the cylinder of coins 2. Radius of the cylinder 3. Calculated area of base of cylinder (area = ²) 4. Height of the cylinder 5. Calculated volume of the cylinder (volume = area base x height) 6. Mass of stacked coins 7. Calculated density of stacked coins 8. Percent error to 3 sf Quarter, 7.01 1.6cm 0.8cm Dime. 6.67 0.6cm 24.84 True Density of Coins (g/cm³) (Nickels) Nickel 725 Penny 5.77

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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