Introduction to Dimensional Analysis

​Dimensional Analysis and Conversion Factors - Review

This is a review of Chapter 2.2 ​

​SI Units

​In this class you are to remember each SI Units Quantity, Symbol, Unit, and Abbreviation.

Fill in the Blanks

The abbreviation for the SI Unit Length is

Multiple Choice

The abbreviation for mass if

• g

• kg

• m

• mol

Multiple Choice

the amount of substance = _

• mole

• length

• luminous intensity

• thermodynamic temperature

1. Length = meters (m)

2. mass = grams (g)

3. time = seconds (s)

4. ​Volume = Liter (L)

5. amount of substance = mole (mol)​

​Base Units used in chemistry

​

• ​Conversion factors are used to convert from one unit to another.

• ​A unit prefix is placed in front of a base unit to indicate a multiple of any measurement.

​Prefixes & Conversion Factors

​Common Conversion Factors

Fill in the Blanks

1 kilo = _ base units

Fill in the Blanks

1 base unit = _ milli

Multiple Choice

What is the symbol for kilo?

• c

• m

• K

• $$\mu$$  

Draw

Write your answer in the space provided: 1 ) If you're converting from g to Kg, are you getting bigger or smaller? 2) Do you multiple or divide based on your answer to #1? 3) How much do you multiple or divide by (look at unit prefix)?

Draw

Write your answer in the space provided: 1 ) If you're converting from m to mm, are you getting bigger or smaller? 2) Do you multiple or divide based on your answer to #1? 3) How much do you multiple or divide by (look at unit prefix)?

Fill in the Blanks

1 base unit = _ centi

Fill in the Blanks

1 000 000 micro = _ base units

Multiple Choice

What is the symbol for micro?

• c

• m

• K

• $$\mu$$  

Draw

Write your answer in the space provided: 1 ) If you're converting from s to $$\mu s$$  , are you getting bigger or smaller? 2) Do you multiple or divide based on your answer to #1? 3) How much do you multiple or divide by (look at unit prefix)?

Draw

Write your answer in the space provided: 1 ) If you're converting from mol to cmol, are you getting bigger or smaller? 2) Do you multiple or divide based on your answer to #1? 3) How much do you multiple or divide by (look at unit prefix)?

Multiple Choice

to convert 0.5674 m to km, which conversion factor should we use?

• $$\div1000,\ answer\ in\ m$$  

• $$\times1000,\ answer\ in\ Km$$  

• $$\times1000,\ answer\ in\ m$$  

• $$\div1000,\ answer\ in\ Km$$   

Draw

Set up an equation that converts 9000 m to km.

Multiple Choice

Convert 9000 m to km.

• 9 000 000

• 9

• 9 000 000 km

• 9 km

Multiple Choice

to convert 0.005 cm to m, which conversion factor should we use?

• $$\times100,\ answer\ in\ cm$$   

• $$\div100,\ answer\ in\ m$$    

• $$\times100,\ answer\ in\ m$$  

• $$\div100,\ answer\ in\ cm$$  

Multiple Choice

to convert 1 L to mL, which conversion factor should we use?

• $$\times1000,\ answer\ in\ L$$  

• $$\div1000,\ answer\ in\ mL$$  

• $$\times1000,\ answer\ in\ mL$$  

• $$\div1000,\ answer\ in\ L$$  

Draw

Set up an equation that converts 38 m to cm.

Multiple Choice

Convert 38 m to cm.

• 0.038 cm

• 3800 cm

• 38 000 cm

• 0.38 cm

Multiple Choice

to convert 36.52 mol to $$\mu mol$$ , which conversion factor should we use?

•   $$\times1\ 000\ 000,\ answer\ in\ \mu mol$$  

•   $$\div1\ 000\ 000,\ answer\ in\ \mu mol$$  

•   $$\times1\ 000\ 000,\ answer\ in\ mol$$  

•   $$\div1\ 000\ 000,\ answer\ in\ mol$$  

Draw

Set up an equation that converts 936.52 $$\mu mol$$   to mol.

Multiple Choice

Convert 36.52 mol to $$\mu mol$$ .

• 36 520 mol

• 36 520 000 mol

• 0.00003652 mol

• 0.03652 mol