How Many Joules are removed when 83.5 grams of steam cools from 200.0C to -35.0C? Five step problem- don't forget to add up the answers to get the total energy!

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.

The sum of the oxidation numbers in a neutral compound is always