One of Dr. G’s CHEM 102 students is working part-time at a hardware store. A customer tells this student “I need a single stud (a wooden beam) from which I can cut two (2) pieces of 2.7m studs”. The student does the math, goes behind counter, and brings a stud cut to 5m length. Select the most sensible and scientific answer to this situation. A) 2.7 × 2 when operated as a significant figure multiplication, gets you 5 and the student is right. B) Hardware stores don’t comply with correct sig. fig. rules for measurements. C) The customer must pay for 5.4m worth; but he/she should only get 5m to take home. D) The word ‘Two (2)’ mentioned here carries infinite significance, so the student is wrong. E) The word ‘Two (2)’ mentioned here is not a ‘measurement’, therefore this is an example of a situation where there is disagreement between science and day-to-day life.

Chemistry
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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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1) One of Dr. G’s CHEM 102 students is working part-time at a hardware store. A customer tells this student “I need a single stud (a wooden beam) from which I can cut two (2) pieces of 2.7m studs”. The student does the math, goes behind counter, and brings a stud cut to 5m length. Select the most sensible and scientific answer to this situation. A) 2.7 × 2 when operated as a significant figure multiplication, gets you 5 and the student is right. B) Hardware stores don’t comply with correct sig. fig. rules for measurements. C) The customer must pay for 5.4m worth; but he/she should only get 5m to take home. D) The word ‘Two (2)’ mentioned here carries infinite significance, so the student is wrong. E) The word ‘Two (2)’ mentioned here is not a ‘measurement’, therefore this is an example of a situation where there is disagreement between science and day-to-day life.

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