Suppose you mix several liquids in a jar. After a few minutes, the liquids form layers. Is this a homogenous mixture or a heterogenous mixture? Why?

Which statement best summarizes the importance of Ernest Rutherford's gold foil experiment? It proved that all of John Dalton's postulates were true. It verified J. J. Thomson's work on the atomic structure.

What do the following have in common: MgCl2, AlF3, CaI2, KCl Choose all that apply. They are nonpolar in nature. They are salts. They are all ionic compounds. They are all molecular compounds.

What did two scientist discover by accident using L-band microwaves

How do ions, anions, and cations bond to create electronic neutrality?

Use scientific notation to write the speed of light, 299,792,458 meters per second, accurate to five digits.

What is the passing of a wave through an object

Classify the following as atoms or molecules. Drag the appropriate items to their respective bins. a. Mg S b. H2 SO3 c. HBr

If a sample of gas has a volume of 5.00 L @ 92.3 C, what will the volume of the gas be if the temperature is lowered to - 37 C

On melting of ice, there is a decrease in volume instead of increase. Why?

When a dolphin jumps, it moves its muscles and chemical potential energy is converted to kinetic energy. Some of this energy is lost to the dolphin. Explain why this phenomenon does not violate the Law of Conservation of Energy.