Dipole-dipole interactions, and London dispersion interactions
If you increase the volume the pressure will decrease. so the best answer is C
Answer:
The purpose of a coal burning power plant is to produce electricity so its A
Sawing a board in half is a physical change not a chemical change the board doesnt change wood or whatever material it is is still would still be wood
If it were burned it would be a chemical change but its properties stay the same atomically so thats why its not a chemical change.