Which part of the ethanol molecule is polar?
Answers:
1. O
2. C-H
3. C-C
4. OH

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

If two objects at different te,peraure are in contact with each other what happens to their temperature