Question

41. When 11.0 g of calci hydroxide is produced. Using the following balanced equation, caleulate t yield for the reaction? um metal is reacted with 11.0 g of water, 5.00 g of calcium the percent Ca(s) + 2 H2O() → Ca(OH)faq) + 1140 A) 12.3% B) 24.6% C) 45.5% D) 84.0% 42. Which of precipitate? the following pairs of aqueous solutions will react to produce a A) LiS:+CusO C) AgNO,+NaBr D) (NH)SOs+BaCl E) All of the above solution pairs will produce a precipitate. 43. A chemical change A) occurs when methane gas is burned. B) occurs when paper is shredded. C) occurs when water is vaporized. D) occurs when salt is dissolved in water E) occurs when Kool-Aid is stirred into water. 44. What type of bonding is found in the compound AICI3? A) covalent bonding B) hydrogen bonding C) ionic bonding D) metallic bonding 45. Write the name for SnCh. A) tin (I) chloride B).tin (IV) chloride D) tin (II) chloride E) tin (1) chlorate-

Answer 1