2 CuS + 3 O₂ → 2 SO₂ + 2 Cu How many grams of copper, Cu, are created by 20 g of copper sulfide, CuS, reacting with 20 g of oxygen gas, O₂ ?

how would i solve using limiting reactant/percent yield, im having trouble

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na, so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

What is the lowest number energy level where a d sublevel is found

Many pharmaceutical drugs are organic compounds that were originally synthesized in the laboratory. which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology