How many energetically different staggered conformations does 1-bromo-2-methyl propane, viewed along the C1- C2 bond, have

Idon’t know how to solve this question

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

How to convert a density of 0.791g/cm3 to lb/ft3