How are ketones and aldehydes related? A. They are different names for the same thing.
B. They both contain an amino group.
C. They have the same number of carbon atoms.
D. They have the same functional group.

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.