Commercial brass is an alloy of copper and zinc. When placed in acid, zinc reacts with hydrochloric acid to yield zinc chloride and hydrogen gas. If you desire to produce 5.60 moles of hydrogen gas, how many moles of zinc should you react?

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

no, the red giant is the hottest with 2.00.000.000 degrees celsius. while the white dwarf only 25,000 degrees celsius.