When a substance has a high density a large mass fits into a what volume

How many atoms does theobromine have

A solution has a [oh-] of 1 x 10-12. what is the poh of this solution? 2 7 10 12

What is the mass of 40.34 x 10^23 H2 molecules at stp?

Which of the following represents a chemical change? A. Bending a wire B. Freezing of water C. Fireworks exploding D. Melting of a wax candle

How many liters of hcl are produced when 11.2 l of chlorine are reacted with excess hydrogen (One mole of any gas occupies 22.4 L under certain conditions of temperature and pressure assume those conditions for this question 112L 56L 224L 22.4L

Which terms most precisely describes the cellular process of breaking down large molecules into smaller ones?

A gas in a rigid container is heated so that it's kelvin temperature doubles. What happens to its pressure

Common cause of biological contamination

Whcih kind if material would best accomplish this task

List at least two chemical reactions that resulted in a yellow, orange, or red precipitate. For these reactions, list the possible chemical name of the precipitate.