1. Conversion Factor Method of Analysis

2. Conversion Factor Method a.k.a. Dimensional Analysis

3. Conversion Factor Method a.k.a. Dimensional Analysis a.k.a. Factor-Label Method

4. Conversion Factor Method a.k.a. Dimensional Analysis a.k.a. Factor-Label Method a.k.a. Unit Factor Method

5. Conversion Factor Method just a tool used in chemistry...

6. Conversion Factor Method just a tool used in chemistry...... to use information we already have

7. Conversion Factor Method just a tool used in chemistry...... to use information we already have... to help us find information we need.

8. Conversion Factor Method a problem-solving method

9. Conversion Factor Method a problem-solving method anything can be multiplied by 1 without changing its value

10. Conversion Factor Method a problem-solving method anything can be multiplied by 1 without changing its value IMPORTANT: This is the basis of the Conversion Factor Method!

11. Conversion Factor Method a “conversion factor” is a fraction whose numerator and denominator are equivalent, making it equal to 1

12. Conversion Factor Method a “conversion factor” is a fraction whose numerator and denominator are equivalent, making it equal to 1 Example: 12

13. Conversion Factor Method a “conversion factor” is a fraction whose numerator and denominator are equivalent, making it equal to 1 Example: 12 1dozen

14. Conversion Factor Method a “conversion factor” is a fraction whose numerator and denominator are equivalent, making it equal to 1 Example: 12 = 1dozen

15. Conversion Factor Method a “conversion factor” is a fraction whose numerator and denominator are equivalent, making it equal to 1 Example: 12 = 1 1dozen

16. Conversion Factor Method a “conversion factor” is a fraction whose numerator and denominator are equivalent, making it equal to 1 Example: 12 = 1 = 1dozen

17. Conversion Factor Method a “conversion factor” is a fraction whose numerator and denominator are equivalent, making it equal to 1 Example: 12 = 1 = 1 dozen 1dozen

18. Conversion Factor Method a “conversion factor” is a fraction whose numerator and denominator are equivalent, making it equal to 1 Example: 12 = 1 = 1 dozen 1dozen 12

19. Conversion Factor Method use “conversion factors” to convert from one unit to another

20. Conversion Factor Method use “conversion factors” to convert from one unit to another make conversion factors from any two terms that describe equivalent “amounts”

21. Conversion Factor Method use “conversion factors” to convert from one unit to another make conversion factors from any two terms that describe equivalent “amounts” IMPORTANT: This is the basis of the Conversion Factor Method!

22. Conversion Factor Method Example: There are 60 seconds in 1 minute. you can make two “conversion factors” from this information: ? or ? ? ?

23. Conversion Factor Method Example: There are 60 seconds in 1 minute. you can make two “conversion factors” from this information: 1 min or ? ? ?

24. Conversion Factor Method Example: There are 60 seconds in 1 minute. you can make two “conversion factors” from this information: 1 min or ? 60 sec ?

25. Conversion Factor Method Example: There are 60 seconds in 1 minute. you can make two “conversion factors” from this information: 1 min or 60 sec 60 sec ?

26. Conversion Factor Method Example: There are 60 seconds in 1 minute. you can make two “conversion factors” from this information: 1 min or 60 sec 60 sec 1 min

27. Conversion Factor Method Example: 1 inch = 2.54 cm

28. Conversion Factor Method Example: 1 inch = 2.54 cm you can make two “conversion factors” from this information: ? or ? ? ?

29. Conversion Factor Method Example: 1 inch = 2.54 cm you can make two “conversion factors” from this information: 1 inch or ? ? ?

30. Conversion Factor Method Example: 1 inch = 2.54 cm you can make two “conversion factors” from this information: 1 inch or ? 2.54 cm ?

31. Conversion Factor Method Example: 1 inch = 2.54 cm you can make two “conversion factors” from this information: 1 inch or 2.54 cm 2.54 cm ?

32. Conversion Factor Method Example: 1 inch = 2.54 cm you can make two “conversion factors” from this information: 1 inch or 2.54 cm 2.54 cm 1 inch

33. Conversion Factor Method Sample Problem: How many cm in 6 inches? 6 in. x =

34. Conversion Factor Method Sample Problem: How many cm in 6 inches? 6 in x 2.54 cm = ?

35. Conversion Factor Method Sample Problem: How many cm in 6 inches? 6 in x 2.54 cm = 1 in

36. Conversion Factor Method Sample Problem: How many cm in 6 inches? 6 in x 2.54 cm = 1 in

37. Conversion Factor Method Sample Problem: How many cm in 6 inches? 6 in x 2.54 cm = 1 in

38. Conversion Factor Method Sample Problem: How many cm in 6 inches? 6 in x 2.54 cm = 15.24 1 in

39. Conversion Factor Method Sample Problem: How many cm in 6 inches? 6 in x 2.54 cm = 15.24 cm 1 in

40. Conversion Factor Method Sample Problem: Express 4.3 cm in inches. 4.3 cm x =

41. Conversion Factor Method Sample Problem: Express 4.3 cm in inches. 4.3 cm x 1 in =

42. Conversion Factor Method Sample Problem: Express 4.3 cm in inches. 4.3 cm x 1 in = ?

43. Conversion Factor Method Sample Problem: Express 4.3 cm in inches. 4.3 cm x 1 in = 2.54 cm

44. Conversion Factor Method Sample Problem: Express 4.3 cm in inches. 4.3 cm x 1 in = 2.54 cm

45. Conversion Factor Method Sample Problem: Express 4.3 cm in inches. 4.3 cm x 1 in = 2.54 cm

46. Conversion Factor Method Sample Problem: Express 4.3 cm in inches. 4.3 cm x 1 in = 1.69 2.54 cm

47. Conversion Factor Method Sample Problem: Express 4.3 cm in inches. 4.3 cm x 1 in = 1.69 in 2.54 cm

48. Conversion Factor Method You can also use two or more conversion factors together:

49. Conversion Factor Method You can also use two or more conversion factors together: Example: How many seconds are in 2.0 years?

50. Conversion Factor Method You can also use two or more conversion factors together: Example: How many seconds are in 2.0 years? First, think about what unit factors you can use.

51. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x

52. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days 1 yr

53. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days 1 yr

54. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days 1 yr

55. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days x 1 yr

56. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days x 24 hrs 1 yr 1 day

57. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days x 24 hrs 1 yr 1 day

58. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days x 24 hrs 1 yr 1 day

59. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days x 24 hrs x 1 yr 1 day

60. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days x 24 hrs x 60 min 1 yr 1 day 1 hr

61. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days x 24 hrs x 60 min 1 yr 1 day 1 hr

62. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days x 24 hrs x 60 min 1 yr 1 day 1 hr

63. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days x 24 hrs x 60 min x 1 yr 1 day 1 hr

64. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days x 24 hrs x 60 min x 60 sec 1 yr 1 day 1 hr 1 min

65. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days x 24 hrs x 60 min x 60 sec 1 yr 1 day 1 hr 1 min

66. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days x 24 hrs x 60 min x 60 sec 1 yr 1 day 1 hr 1 min

67. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days x 24 hrs x 60 min x 60 sec = 1 yr 1 day 1 hr 1 min

68. Conversion Factor Method Example: How many seconds are in 2.0 years? 2.0 yrs x 365 days x 24 hrs x 60 min x 60 sec = 63,072,000 sec 1 yr 1 day 1 hr 1 min