One disadvantage of vacuum distillation is it is inherently less efficient than fractional distillation at atmospheric pressure.
a. true
b. false

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy