Chemistry Chapter 2 TB
Subject:
Chemistry [1]
Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 2:Atoms, Molecules, and Ions 2.1 Multiple-Choice and Bimodal Questions 1) A certain mass of carbon reacts with 13.6 g of oxygen to form carbon monoxide. __________ grams of oxygen would react with that same mass of carbon to form carbon dioxide, according to the law of multiple proportions? A) 25.6 B) 6.8 C) 13.6 D) 136 E) 27.2 Answer: E Diff: 3 Page Ref: Sec. 2.1 2) Methane and ethane are both made up of carbon and hydrogen. In methane, there are 12.0 g of carbon for every 4.00 g of hydrogen, a ratio of 3:1 by mass. In ethane, there are 24.0 g of carbon for every 6.00 g of hydrogen, a ratio of 4:1 by mass. This is an illustration of the law of __________. A) constant composition