What mass of O2 is needed to produce 4.5 moles of CO2?

Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals

Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released