A student wants to reclaim the iron from an 5.0-gram sample of iron(III) oxide, which occurs according to the reaction shown below: 2Fe2O3(s) 4Fe(s) + 3026)
How many grams of iron can be reclaimed?
Oa
Oь
O
12.7 grams
7.38 grams
3.5 grams
Od
7.11 grams

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

I’m an electrically neutral atomic any element, there are equal numbers of