Tautomers are examples of which of the following?
A) constitutional isomers
B) diastereomers
C) enantiomers
D) none of these
A
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Winds are deflected by ________, caused by the rotation of Earth
A) the Coriolis effect B) the greenhouse effect C) the Milankovitch cycles D) gyres
Which of the following statements most accurately describes the relative "risk" of getting a sliver in your finger versus a volcanic eruption in the Pacific Northwest?
A) The relative "risk" is difficult to assess because, even though getting the sliver is much more likely, the volcanic eruption would be much more severe. B) A volcanic eruption in the Pacific Northwest is much more likely and so has the higher risk. C) The relative risk is roughly equal because both events are roughly equally likely, and both would be roughly equally severe. D) Getting a sliver in your finger is much more likely and so has the higher risk.
Oil shale deposits ________
A) have been too expensive to extract and use as energy resources B) contain organic kerogen which can be processed into petroleum C) can be pumped from underground reservoirs like conventional crude oil D) are only a tiny fraction of the U.S. and Canadian potential oil reserves E) are concentrated in the Middle East
Which of the following is true regarding mass relationships in a chemical reaction?
A) To determine mass relationships in a chemical reaction, you first need to know the balanced chemical equation for the reaction. B) To convert from grams to moles and vice versa, you need to use molar mass as a conversion factor. C) Both a and b are true. D) Both a and b are false.