Conversion Factor Method of Analysis

Conversion Factor Method a.k.a. Dimensional Analysis

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

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

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

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

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

Conversion Factor Method a problem-solving method

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

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!

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

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

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

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

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

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

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

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

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

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

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!

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

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

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 ?

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 ?

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

Conversion Factor Method Example: 1 inch = 2.54 cm

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

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

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

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 ?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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