Macroscale and Microscale Organic Experiments
7th Edition
ISBN: 9781305577190
Author: Kenneth L. Williamson, Katherine M. Masters
Publisher: Brooks Cole
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Chapter 5, Problem 7Q
In fractional distillation, liquid can be seen running from the bottom of the distillation column back into the distilling flask. What effect does this returning condensate have on the fractional distillation?
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Draw all resonance forms of the molecules. Include curved arrow notation. Label major resonance contributor.
: Resonance Forms
a) Draw all resonance forms of the molecules. Include curved arrow notation. Label major
resonance contributor.
SO₂
NO3
1d. Use Le Chatelier's principle to describe the effect of the following changes on the
position of the Haber-Bosch equilibrium:
N2(g) + 3H2(g)= 2NH3(9) AH = -92kJ
Choose one of the following answers: shift to reactant side, shift to product side or no
change and draw the resulting graph.
I.
Increase the [N2(g)] Effect:
H₂
N₂
NH3
II.
Decrease the volume of the container. Effect:
H₂
N₂2
NH3
Chapter 5 Solutions
Macroscale and Microscale Organic Experiments
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- " is The structure of the bicarbonate (hydrogen carbonate) ion, HCO3-, HCO3 best described as a hybrid of several contributing resonance forms, two of which are shown here. HO :0: :Ö: HO + Bicarbonate is crucial for the control of body pH (for example, blood pH: 7.4). A more self-indulgent use is in baking soda, where it serves as a source of CO2 CO₂ 2 gas, which gives bread and pastry their fluffy constituency. (i) Draw at least one additional resonance form. = (ii) Using curved "electron-pushing" arrows, show how these Lewis structures may be interconverted by movement of electron pairs. (iii) Determine which form or forms will be the major contributor(s) to the real structure of bicarbonate, explaining your answer on the basis of the criteria in Section 1-5.arrow_forwardWhich of these is the best use of a volumetric flask? measuring how much liquid it contains delivering a precise amount of liquid to another container holding solutions making solutions of precise concentrationarrow_forwardYou're competing on a Great British television game show, and you need to bake a cake. The quantity for each ingredient is given in grams, but you haven't been given a kitchen scale. Which of these properties would correlate with the mass of a baking ingredient like eggs or milk? Check all that apply. depth of color viscosity volume densityarrow_forward
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Solutions: Crash Course Chemistry #27; Author: Crash Course;https://www.youtube.com/watch?v=9h2f1Bjr0p4;License: Standard YouTube License, CC-BY