The specific rotation of a compound is defined as the observed rotation of the compound when its concentration is 1 g/mL in a sample tube which is 10 cm long. If a certain compound is observed to have a specific rotation of +8.0°, what rotation will be observed if the sample concentration is 0.25 g/mL and the sample tube is 20 cm long?

A) +2°
B) +4°
C) +16°
D) +32°


B

Environmental & Atmospheric Sciences

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Plate Tectonic boundaries were first identified by ________

A) mapping earthquakes and volcanoes B) mapping continental margins C) mapping the mountain chains D) mapping subduction zone

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Which of the following would not be a good idea in an area that has a high risk for earthquakes?

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