A student measured the melting point range of an unknown solid to be 72.4 to 78.6 degrees celsius. a) Is the compound pure? b) Can you identify the compound from Table 2.2? c) If yes, what is the compound? If no, what compounds from Table 2.2 can be excluded? Table 2.2: Solid - Melting Point (Celsius) Benzoic Acid - 122 Acentanilide - 114 Acetamide - 82 Biphenyl - 71 p-Dimethoxybenzene - 59 p-Dichlorobenzene - 54 Benzophenone - 48
A student measured the melting point range of an unknown solid to be 72.4 to 78.6 degrees celsius. a) Is the compound pure? b) Can you identify the compound from Table 2.2? c) If yes, what is the compound? If no, what compounds from Table 2.2 can be excluded? Table 2.2: Solid - Melting Point (Celsius) Benzoic Acid - 122 Acentanilide - 114 Acetamide - 82 Biphenyl - 71 p-Dimethoxybenzene - 59 p-Dichlorobenzene - 54 Benzophenone - 48
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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A student measured the melting point range of an unknown solid to be 72.4 to 78.6 degrees celsius.
a) Is the compound pure?
b) Can you identify the compound from Table 2.2?
c) If yes, what is the compound? If no, what compounds from Table 2.2 can be excluded?
Table 2.2:
Solid - Melting Point (Celsius)
Benzoic Acid - 122
Acentanilide - 114
Acetamide - 82
Biphenyl - 71
p-Dimethoxybenzene - 59
p-Dichlorobenzene - 54
Benzophenone - 48
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