12) Which of the following contains BOTH ionic and covalent bonds? A) CaCl B) COS C) BaSO4 D) SF E) None of the above contain both ionic and covalent bonds. 13) How many moles of NO, are in 76.3 g NO.(molar mass NO4 -92.02 g/mol) A) 7.02 x 10 moles B) 1.42 x 10+ moles C) 1.00 mole D) 1.21 moles E) 0.829 moles 14) How many moles of LisN can be formed from 1.75 moles of Li? Assume an excess of nitrogen. A) 0.58 moles Lis B) 0.29 moles Lis C) 0.8 moles LiN D) 3.5 moles LisN E) 15.1 moles LisN 6 Li(s) + N(g) 2 LisN(s) 15) Of the reactions below, which one is not a combination reaction? A) C+ O CO B) 2Mg + O-2MgO C) 2N + 3H 2NH D) CaO + HO Ca(OH) E) 2CH. +402CO + 4HO 16) Which of the following solutions will have the highest concentration of chloride ions? A) 0.10 M LICI B) 0.10 M MgCl C) 0.10 M AICI D) 0.10 M CaCl E) All of these solutions have the same concentration of chloride ions. 17) To what temperature must a balloon, initially at 25C and 2.00 L, be heated in order to have a volume of 6.00 L? A) 993 K B) 403 K C) 75 K D) 655 K E) 894 K