review for moles and metrics test
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Review for Moles and Metrics Test. Question 1. Write out the metric conversion line on your whiteboard _____________________________________. Follow up. Which side is has the larger units? Smaller units?. Question 2. What are the base units for the following: Time Length Mass. - PowerPoint PPT PresentationTRANSCRIPT
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Review for Moles and Metrics Test
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Question 1
Write out the metric conversion line on your whiteboard
_____________________________________
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Follow up
Which side is has the larger units? Smaller units?
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Question 2
What are the base units for the following: Time Length Mass
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Follow up
Does the metric conversion line work with any base unit? (Yes or No)
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Question 3
How many centimeters are in a meter?
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Follow up
How many milliliters are in a liter?
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Question 4
Convert 5.6 x 103 nm to m. SHOW WORK!
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Follow up
How many nanosecond are there in a second?
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Question 5
Fill in the correct word or numbers in the blanks below:
1 mole = ____________ molecules/atoms/particles/formula units
1 mole = ____________ Liters
1 mole = ____________ grams/mole
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Follow up
Where can you find the first two answers in the previous question?
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Question 6
Convert 34.5 L of F2 gas at STP to moles? SHOW WORK!
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Follow up
Does STP affect the problem at all?
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Follow up #2
Does the molecule (F2) mentioned in the problem affect the answer?
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Question 7
How many moles are in 8.6 x 1023 atoms of Ca?
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Follow up
Does the atom (Ca) make a difference in how you answer this question?
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Question 8
Convert 2.4 moles of CO to grams?
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Follow up
Does the molecule (CO) mean anything in this problem?
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Question 9
What is the formulas for density?
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Follow up
If the molar volume is always 22.4 L, calculate the molar density of CO2? (Think: how do you get molar mass?)
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Question 10
I want to measure 10 mL of water, what lab equipment should I use to measure this amount out?
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Follow up
Why would I not want to use a beaker?
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Question 11
What is the difference between accurate and precise?
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Follow up
Describe the measured amounts as accurate, precise, both, or neither.
Accepted Amount: 4.5 gMeasured Amounts: 6.7 g, 6.6 g, 6.7 g
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Question 12
How many liters are in 5.4 x 1023 molecules of H2 gas? (TWO STEPS!)
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Follow up
What word was missing in the question that should let you know that it needs to be two steps?
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Question 13
What is the difference between qualitative and quantitative?
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Follow up
When should you use qualitative? Quantitative?