Answer: OC
Explanation:
The Others Could Take Many Millions Of Years
Answer:
Here's what I find.
Explanation:



The sign of ΔH changes when you reverse the reaction.
Answer:
oxygen and silicon, both are common
when iron and oxygen the reactin form Fe2O3 balance equation for this is <span>4Fe + 3O2---> 2Fe2O3
9moles of O2 are needed to produce 6mol of Fe2O3 since the ratio of oxygen to iron(II)oxide is 3:2
hope its help</span>