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Scientific Notation
Significant Figures
Dimensional Analysis
Physical/Chemical Changes
Miscellaneous
100
Put this number into PROPER sci note: 0.0000451
What is 4.5 x 10^ -5 ?
100
Determine the number of significant figures: 300.
What is 3?
100
Lake Michigan holds 1.3 x 10^15 gallons of water. How many liters is this?
What is 4.9 x 10^15 L?
100
A substance reacts in the presence of water. Physical or chemical property?
What is chemical?
100
Is density an intensive or extensive property?
What is intensive?
200
9.2 x 10^ 3
What is 9200?
200
Determine the number of sig figs: 0.0010
What is 2?
200
How many minutes are in 180.0 days?
What is 259,200 min?
200
The melting point of a substance is 88.1 degrees Celsius. Is this a physical or chemical property?
What is physical?
200
Calculate and determine the correct number of sig figs. ( 8.8 /2.1) - (1.7 x 3.2)
What is -1.2?
300
3.4 x 10^2 + 1.2 x 10^ 2 =
What is 4.6 x 10^ 2 ?
300
Calculate and round to correct sig figs. 4.00 + 5.123 + 0.9446
What is 10.07?
300
If a person weighs 125lbs, how many mg do they weigh?
What is 5.7 x 10^7 mg?
300
Is taste an intensive or extensive property?
What is intensive?
300
A student estimated a mass to be 250 grams, but upon carefully measuring it, found the actual mass to be 240 grams. What is percent error?
What is 4.2%?
400
9.0 x10^6 / 3.0 x10^3 =
What is 3.0 x 10^3
400
Calculate and round to correct sig figs: 2600 x 33.3
What is 8.6 x 10^4?
400
The distance from Santa Maria to Los Alamos is 16.25min. What is the distance in cm?
What is 2.62 x 10^6 cm?
400
Provide an example and explanation for a extensive property?
What is varies?
400
Explain how distillation works.
What is a mixture is heated to a specific point until one of the substances begins to boil off and collect in another tube?
500
7.6 x 10^4 - 2.4 x 10^3
What is 7.4 x 10^4 ?
500
Calculate and round to correct number of sigs: (5.12 x 8.0 ) + (3.221 / 1.4)
What is 43?
500
Saffron costs $368.00 per ounce. Determine how many grams you can purchase for $15.00.
What is 1.158 grams?
500
Explain why freezing water is a physical and not chemical change.
What is water is taking a new shape but the substance itself has not changed?
500
Use dimensional analysis to solve: How many grams are equivalent to 1.80 x 10^ -4 tons?
What is 1.6 x 10^2 grams?