How many moles of aluminum are required to react with 5.09 moles of oxygen?
Al + O2 → Al2O3

Identify which properties could correspond to solids, plasmas, or both. maintain a unique shape. collide infrequently with other particles. have very high velocities. conduct electricity. protons. have a low temperature. has long-range order.

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule