fe(s) + o2 (g) → fe3+ o2−
what most likely happens during this reaction?
iron loses three electrons.
iron gains three electrons.
oxygen loses two electrons.
oxygen gains two electrons.

The peak wavelength for the blackbody curve of a star is in the uv range. assuming the radiation from this star can reach earth, would you be able to see it?

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .