1. Heating can remove some or all of the "waters of hydration". Does heating the chemical structure of the compound? Explain your answer. 2. How would your results for the percent of water in the hydrate and the formula of the hydrate be changed if you weighed the crucible while it was still hot. Be specific and justify your answer. 3. How would your results for the percent of water in the hydrate and the formula of the hydrate be changed if water from the air were absorbed by the hot dry sample as it cools. Be specific and justify your answer. 4. Narceine is a narcotic in opium that crystallizes from solution as a hydrate that contains 10.8 mass % of water and has a molar mass of 499.52 g/mol. Determine x in narceine.XH2O.

1. Heating can remove some or all of the "waters of hydration". Does heating the chemical structure of the compound? Explain your answer. 2. How would your results for the percent of water in the hydrate and the formula of the hydrate be changed if you weighed the crucible while it was still hot. Be specific and justify your answer. 3. How would your results for the percent of water in the hydrate and the formula of the hydrate be changed if water from the air were absorbed by the hot dry sample as it cools. Be specific and justify your answer. 4. Narceine is a narcotic in opium that crystallizes from solution as a hydrate that contains 10.8 mass % of water and has a molar mass of 499.52 g/mol. Determine x in narceine.XH2O.

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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Question

1. Heating can remove some or all of the "waters of hydration". Does heating change
the chemical structure of the compound? Explain your answer.
2. How would your results for the percent of water in the hydrate and the formula of the
hydrate be changed if you weighed the crucible while it was still hot. Be specific and
justify your answer.
3. How would your results for the percent of water in the hydrate and the formula of the
hydrate be changed if water from the air were absorbed by the hot dry sample as it
cools. Be specific and justify your answer.
4. Narceine is a narcotic in opium that crystallizes from solution as a hydrate that
contains 10.8 mass % of water and has a molar mass of 499.52 g/mol. Determine x in
narceine.XH20.

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