If you measure the mass of a model car to be 230 grams. the actual mass is 218 grams. what is your percent error.

A compound is 2.00% H by mass, 32.7% S by mass what is the empirical formula.

Explain how you would use ir spectroscopy to distinguish between 1-bromo-3-methyl-2-butene and 2-bromo-3-methyl-2-butene.

How the atomic structure and covalent bonding properties of carbon atoms allow carbon to form many different types of molecules with many different functions?

How do you differentiate a weak acid from a stron acid?

Explain how scientists know that the universe is expanding and who was the first to say this

How does the size of ions affect the conductivity of a solution?

How to write complete ionic and net ionic equations?

chromium can combine with chlorine to from corneum chloride which equation is a correct representation of this reaction

What is the atomic weight of a hypothetical element consisting of two isotopes, one with mass = 64.23 amu (26.0%), and one with mass = 65.32 amu? (a) 65.3 amu (b) 64.4 amu (c) 64.9 amu (d) 65.0 amu (e) 64.8 amu

Is this base a physical or chemical property?