Calculate The atomic number of oxygen is 8. How many protons, neutrons, and electrons are in oxy-gen-16? Oxygen-17? Oxygen-18?

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.

What is the enthalpy of combustion (per mole) of c4h10 (g)? –2,657.5 kj/mol –5315.0 kj/mol –509.7 kj/mol –254.8 kj/mol

How many grams of iron can be made from 16.5 grams of fe2o3