Which of the following can change the acceleration of a car? filling the car’s gas tank
changing the oil
changing direction
turning the key in the ignition
i dont see science so i picked chemistry, and btw am in 5th gradee

Compare and contrast physical changes with chemical changes.

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.