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5) How w densitie large, to measure density. a) In m imm

5) How w densitie large, to measure density. a) In m imm

Chemistry
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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5) How will each of the following experimental errors influence the results of your calculated densities you reported? State whether the error will tend to make your density results too large, too small or unchanged. Explain why this would occur by identifying which measurements would be affected (high or low) and how this would affect the calculated density. a) In method 2, the metal cylinder you used had a number of air bubbles on its when immersed in the water.
Transcribed Image Text:5) How will each of the following experimental errors influence the results of your calculated densities you reported? State whether the error will tend to make your density results too large, too small or unchanged. Explain why this would occur by identifying which measurements would be affected (high or low) and how this would affect the calculated density. a) In method 2, the metal cylinder you used had a number of air bubbles on its when immersed in the water.
2) Method 2: Solid Volume by Displacement a) Obtain a 50-mL graduated cylinder and fill it roughly half full of water. Record this initial volume for sample 1. b) Tip the graduated cylinder and carefully add a metal cylinder and record this final volume for sample 1. Try to avoid splashing water or forming air bubbles on the surface of the metal as either will cause errors. c) Calculate displacement volume by subtracting initial from final volume of water. d) Repeat for samples 2 and 3. e) Calculate density for each cylinder using their masses and displacement volumes. f) Determine average density, % average deviation and % error based on your displacement volume measurements. Report these as your experimental values for Method 2.
Transcribed Image Text:2) Method 2: Solid Volume by Displacement a) Obtain a 50-mL graduated cylinder and fill it roughly half full of water. Record this initial volume for sample 1. b) Tip the graduated cylinder and carefully add a metal cylinder and record this final volume for sample 1. Try to avoid splashing water or forming air bubbles on the surface of the metal as either will cause errors. c) Calculate displacement volume by subtracting initial from final volume of water. d) Repeat for samples 2 and 3. e) Calculate density for each cylinder using their masses and displacement volumes. f) Determine average density, % average deviation and % error based on your displacement volume measurements. Report these as your experimental values for Method 2.
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