58 140.1140.9 1442|145|150.52.0 1573 158.9 1625 1649 1673 1689 1201 Th Pa U Np P

Question

58 140.1140.9 1442|145|150.52.0 1573 158.9 1625 1649 1673 1689 1201 Th Pa U Np Pu Am Cm Bk CfEs Fm Md No Lr When 12 grams of carbon react with 32 grams of oxygen, the compound carbon dioxide (a greenhouse gas) is formed. What is true about other combinations of carbon and oxygen? a) Carbon dioxide is also formed when 12 grams of carbon react with 16 grams of 1. oxygen o o oxygen. Carbon dioxide is also formed when 6 grams of carbon react with 16 grams of oxygen Carbon dioxide is also formed when 12 grams of carbon react with any mass of oxygen. c) d)

Explanation / Answer

C .Carbon dioxide is formed when 6 grams of Carbon react with 16 grams of oxygen is true. 12 grams of Carbon react 32 grams of oxygen to form carbon dioxide in this reaction one mole of carbon react with one mole of oxygen to give one mole of carbon dioxide. In option C , no of mole of carbon is Given mass/Molecular mass which is 6/12= 0.5 and no of mole of oxygen is 16/32= 0.5 .

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