Please help fast: How many moles of oxygen gas are consumed in the production of 5.00 g of iron(III) oxide from metallic iron?

4Fe(s) + 302(g)→2Fe2O3(g)

___ mole(s) in O2

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?