How many moles of Fe2O3 are produced if 02 is in excess
reacting with 0.48 moles of Fe?

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

Convert .347 kilometers to miles show your work

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)