How many moles of nitrogen monoxide (NO) are produced from 7.45 grams of oxygen(O2)? 4 NH3 +5 O2 —> 4 NO + 6 H2O

The balanced chemical equation for this lab is: 3cucl2(aq) + 2al(s) 3cu(s) + 2alcl3(aq) if 10.5 g copper chloride react with 12.4 g aluminum, what is the limiting reactant?

Explain that newton first law,second law and third law of motion?

If a particle has z = 25 and 23 electrons, what is its charge?