Which of the following separation methods is used in refining oil?

chromatography

simple distillation

fractional distillation

filtration

What is the volume of an aluminum cube with edges that are 10 centimeter cubes

This occurs when waves bend as they enter a new medium at an angle. Refraction Reflection Diffraction

In an atomic model that includes a nucleus, negative charge is A. concentrated in the center of an atom. B. spread evenly throughout the nucleus. C. concentrated at multiple sites in the nucleus. D. located in the space outside the nucleus.

Facts about thermal energy

What is the speed of a 1200 kg car moving with a kinetic energy of 15 kJ?

When a siren is approaching you, how does the wavelength of the waves reaching you compare to the actual wavelength that the siren emits?

In a harbor, you can see sea waves traveling around the edges of small stationary boats. Why does this happen?

Correct unit of speed

Technician A says that for best results, loosen the fastener immediately after spraying it with penetrating oil. Technician B says that rusted fasteners may be loosened by tapping with a hammer. Which technician is correct? a. technician A only b.

A roller coaster track is 3,000 meters long. It takes 100 seconds to travel once around the roller coaster. Is the velocity constant throughout the trip? Explain.