What is an azeotrope? 2. Under what conditions is it better to perform a steam distillation (instead of, say, a simple distillation)? 3. During a steam distillation, how can you tell if the organic compound is still coming over (i. e., still being distilled)? 4. For this experiment, at the end of the steam distillation, the receiving flask should contain two layers of liquid. What is the chemical identity of these two liquids? 5. What is the purpose of adding 10% sodium carbonate solution to the distillate if it is acidic to litmus?
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Chemistry, 21.06.2019 16:30
Jewelweed, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. these structures are favorable because they a. can cause genetic changes to occur. b. prevent germination within the seed pod. c. aid in the dispersal of the species. d. attract insects that aid in pollination.
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Chemistry, 21.06.2019 19:30
Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg
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Chemistry, 21.06.2019 22:30
Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent
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Chemistry, 21.06.2019 23:00
What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml
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What is an azeotrope? 2. Under what conditions is it better to perform a steam distillation (instead...
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