The adjective compound means "made by the combination of two or more parts". in a compound microscope, which are the parts that are being combined, and why?

An airplane crash a woman is holding a

You have a 23-g sample of ethanol with a density of 0.7893 g/ml. what volume of ethanol do you have?

Which statements describe lattice energy?

Suppose you have an Internet friend who is studying chemistry just like you are. Your friend claims the change from liquid water to water vapor is a chemical change. Write a brief email that might convince your friend otherwise.

How many electrons does phosphorus need to gain to have a stable outer electron shell 1 2 3 4

How are real gases different from ideal gases?

Which one doesnt belong in the list below? A. a meter B. one liter C. One centimeter D. one kilometer

Which elements did curies discover

When rubidium metal is exposed to air, two atoms of rubidium, Rb, combine with one atom of oxygen. If 1.98 grams of rubidium is exposed to air, what will be the mass of the product in grams

Fission reactions can get of of control without what taking place?