1. a. Estimate the % uncertainty in your measurement of: mass of water mass of metal AT of water Which % uncertainty is greatest? Which measurement is most critical? b. For your calculated specific heat, determine: (1) % uncertainty AT of metal (2) absolute uncertainty (3) how many significant figures your reported value should have.

Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter2: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 2.26E
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Please answer all questions and show calculations For the image attached For 1. a Mass of metal: Trial 1 is 35.0228 g Trial 2 is 35.0915 g Trial 3 is 34.0821 g Mass of water: Trial 1 is 20.0177 g Trial 2 is 20.0250 g Trial 3 is 20.0168 g For delta t of water: Trial 1 is 15.5 C Trial 2 is 15.7 C Trial 3 is 15.1 C For delta t of metal Trial 1 is 80.1 C Trial 2: 80.2 C Trial 3: 79.5 C For B my calculated Specific heat is: Trial 1 is 0.462 Trial 2 is 0.467 Trial 3 is 0.466
POSTLAB
1. a. Estimate the % uncertainty in your measurement of:
mass of water
mass of metal
AT of water
EXPERIMENT 9
b. For your calculated specific heat, determine:
(1) % uncertainty
Which % uncertainty is greatest? Which measurement is most critical?
AT of metal
(2) absolute uncertainty
(3) how many significant figures your reported value should have.
Transcribed Image Text:POSTLAB 1. a. Estimate the % uncertainty in your measurement of: mass of water mass of metal AT of water EXPERIMENT 9 b. For your calculated specific heat, determine: (1) % uncertainty Which % uncertainty is greatest? Which measurement is most critical? AT of metal (2) absolute uncertainty (3) how many significant figures your reported value should have.
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