Which is more elastic between air and water

The slope of a velocity time graph over any interval of time gives the during that interval

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same