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A student has a mixture of two possible compounds. The student performs recrystallization to separate the two compounds. The student decides to identify the separated compound by melting point. The student observes that their isolated compound does not melt. The start temperature was 150 °C and the end temperature was 230 °C with a ramp rate of 2 °C/min. The student's partner believes that they isolated compound 2, while the student thinks they have compound 1. Choose the best answer to go with this scenario. Compound 1 Literature Melting point: 204 °C Compound 2 Literature Melting point: 188 °C

A student has a mixture of two possible compounds. The student performs recrystallization to separate the two compounds. The student decides to identify the separated compound by melting point. The student observes that their isolated compound does not melt. The start temperature was 150 °C and the end temperature was 230 °C with a ramp rate of 2 °C/min. The student's partner believes that they isolated compound 2, while the student thinks they have compound 1. Choose the best answer to go with this scenario. Compound 1 Literature Melting point: 204 °C Compound 2 Literature Melting point: 188 °C

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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Please help me I am trying to study for an upcoming final and was confused on some of the practice problems.
A student has a mixture of two possible compounds. The student performs recrystallization to separate the two compounds. The student decides to identify the separated compound by melting point. The student observes that their isolated compound does not melt. The start temperature was 150 °C and the end temperature was 230 °C with a ramp rate of 2 °C/min. The student's partner believes that they isolated compound 2, while the student thinks they have compound 1. Choose the best answer to go with this scenario. Compound 1 Literature Melting point: 204 °C Compound 2 Literature Melting point: 188 °C O It is correct that they have compound 2. O It is correct that they have compound 1. They did not separate the compounds properly, and it is still a mixture. O The students have neither of the two compounds. O The ramp rate is too high so the experimental melting range is not accurate.
Transcribed Image Text:A student has a mixture of two possible compounds. The student performs recrystallization to separate the two compounds. The student decides to identify the separated compound by melting point. The student observes that their isolated compound does not melt. The start temperature was 150 °C and the end temperature was 230 °C with a ramp rate of 2 °C/min. The student's partner believes that they isolated compound 2, while the student thinks they have compound 1. Choose the best answer to go with this scenario. Compound 1 Literature Melting point: 204 °C Compound 2 Literature Melting point: 188 °C O It is correct that they have compound 2. O It is correct that they have compound 1. They did not separate the compounds properly, and it is still a mixture. O The students have neither of the two compounds. O The ramp rate is too high so the experimental melting range is not accurate.
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