3a-4o Te False? 32. Monomers are very long molecules made up of polymers. 33.A w

Question

3a-4o Te False? 32. Monomers are very long molecules made up of polymers. 33.A water molecule has a slightly negative charge on each hydrogen atom and a slightly positive charge on the oxygen atom. 34. A pH of 4 is 20 times more acidie than a pH of 6 A metal oxide can react with water to produce a base. 36 If you decrease the volume of a confined gas, the pressure that it exerts decreases. 37. The sum of oxidation numbers in a compound must equal zero. 38 According to the activity series, copper can displace hydrogen ions out of solution. 39A galvanic cell is a device that spontaneously converts chemical energy to electrical energy 40, In an electrolytic cell, the mass of the cathode increases. Part C: Short Answer Questions (90 marks) Answer each of the following questions in the space provided 41. For the "Dancing Spaghetti" lab, give two observations and one inference based on these observations. (3 marks) OBSERVATION # 1 : OBSERVATION #2: INFERENCE: -

Explanation / Answer

32. False .It is reverse statement.

33. False. It is opposite charge that actually form.

34. False. It will be 100 times.

35. True. It will produce metal hydroxide which is a base in aqueous solution.

36. True. Because no.of moles gas decreases hence pressure decreases.

37. True.

38. False.

39. True.

40. True

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