5. For the reaction 2 Zn + O2 → 2Zno, how many moles of zinc oxide can be produced from 275 g of oxygen?

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

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

What are the coefficients that will balance the skeleton equation below? n2 + h2 → nh3