Calculate the volume in liters of oxygen gas at STP required to fully react with 42.5 g of ethyne, C2H2. 2 C2H2(g) + 5 O2(g) —> 4 CO2(g) + 2 H2O(g)

Answer should be written as XX. X L O2

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Element before carbon on the periodic table