1.The reaction of iron(III) oxide (Fe2O3) and hydrogen (H2) is represented by the following unbalanced chemical equation. 1 Fe2O3(s)  3 H2(g) → 2 Fe(s)  3 H2O(l)
Determine the mass in grams of hydrogen gas needed to react completely with
33.5 g Fe2O3.
Step 1.
Step 2.
Step 3.
Step 4.

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoft en gain electrons easilygood conductorpoor conductorcan be liquidselements

Essay-alternative energy sources research sources of energy that are being developed. write a report of 350-400 words discussing the information you learned concerning the development of various energy sources and the impact that you think they will have on your life. include sources cited at the end of your report using the mla format. follow the rubric guidelines. note that wikipedia is not an appropriate resource for a research paper. worth 99