Answered: For the thermoeter correction

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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Can you tell me if I am doing this correctly? For the thermoeter correction, we are given that: literature value of standard - experimental value of standard at end of melting temperature.

I found online that the melting range of pure acetanilide is 113-115. From there I calculated the therometer correction.

Substance

Melting Point Range

Begins/Ends

(^oC)

Interval of Melting (^oC)

Thermometer

Correction for Calibration Data

(^oC)

Corrected Melting Point

(^oC)

Crystallized acetanilide Trial #1

111.9 – 112.9

1.0

2.1

Crystallized acetanilide Trial #2

111.0 – 112.3

1.3

2.7

Crude acetanilide

112.9-115.4

2.5

-0.4

Acetanilide standard

Lot #

115.6-116.5

0.9

-1.5

N/A

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