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How many liters of oxygen gas are required to burn 2.97 L of acetylene (C2H2) at STP? A sampleof gas containing 63.4g of oxygen gas an initial volume of 7.51L.What is the final volume in L if 4.6moles of oxygen gas is added? How to choose a domain name? A polynomial has remainder 3 when divided by (x-2) and a remainder of -5 when divided by (x+2) what is the remainder when divided by (x^2-4)? Can antimatter be found in nature? Or is it rather a substance the futurists believe that needs to be artificially created in a lab?