A mixture of acetone, ethanol, methanol, and acetaldehyde is to be separated using distillation. The boiling points of the components are as follows: acetone (CH3COCH3), 50.5∘C ethanol (CH3CH2OH), 78.4∘C methanol (CH3OH), 66∘C acetaldehyde (CH3CHO), 20.8∘C. Which compound would be expected to be the last component remaining in the still pot?

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³

An engineer decides to use a slightly weaker material rather than a stronger material, since she knows that the stronger material can break suddenly. this is an example of what? a choosing a material that will show warning before it fails b using composite materials that combine strength c using a material for multiple applications d using design techniques that increase efficiency and reduce cost

H2o is a single atom of wat true or false?