Rust is formed by the interaction of iron and oxygen. when rust formed on an iron nail with a mass of 100g, the mass of the rusted nail was 143g. what mass of oxygen gas most likely reacted with the iron nail?

How do dying stars contribute to the formation of planets

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.