# Shared Flashcard Set

## Details

Test 1
sig figs, conversion, dimensional analysis, sci notation, density
30
Chemistry
10/02/2017

Term
 How many significant figures are in the following number:502,000
Definition
 3
Term
 How many significant figures are in the following number:5.00
Definition
 3
Term
 How many significant figures are in the following number:300
Definition
 1
Term
 How many significant figures are in the following number:1.01 x 10^5
Definition
 3
Term
 How many significant figures are in the following number:0.00020
Definition
 2
Term
 Round the answer to the correct sig figs:2.00 + 3.2 + 50 = _____
Definition
 60 (you can only round to the tens place because of the number 50)
Term
 Round the answer to the correct sig figs:5.0 + 6.39 + 0.61 =______
Definition
 12.0 (you must show sig figs to the tenths place because of the number 5.0)
Term
 Round the answer to the correct sig figs:5.00 x 0.02 x 101 =______
Definition
 10 (you can only have 1 sig fig because of the number 0.02)
Term
 Round the answer to the correct sig figs:(6.10 x 10^2)/(2.0) = ________
Definition
 310 (answer can only have 2 sig figs, must round up)
Term
 Convert to scientific notation to the proper # of sig figs:560,000
Definition
 5.6 x 10^5
Term
 Convert to scientific notation to the proper # of sig figs:0.0001010
Definition
 1.010 x 10^-4
Term
 Convert to scientific notation to the proper # of sig figs:1001
Definition
 1.001 x 10^3
Term
 Convert to scientific notation to the proper # of sig figs:500.0
Definition
 5.000 x 10^2
Term
 Convert to scientific notation to the proper # of sig figs:100
Definition
 1 x 10^2
Term
 Convert the following # into standard form:5.600 x 10^-2
Definition
 0.056
Term
 Convert the following # into standard form:1.01 x 10^5
Definition
 101000
Term
 Convert the following # into standard form:5 x 10^0
Definition
 5
Term
 Convert by sliding the decimal:2.00 L =______mL
Definition
 2000 mL
Term
 Convert by sliding the decimal:700 hectoliters = _______liters
Definition
 70000 L
Term
 Convert by sliding the decimal:0.000542 kg = ________mg
Definition
 542 mg
Term
 Convert the following by doing dimensional analysis:400 g = _______lbs
Definition
 0.88 lbs
Term
 Convert the following by doing dimensional analysis:0.000226 kL =________cups
Definition
 0.95 cups
Term
 Convert the following by doing dimensional analysis:800 mL = ______pints
Definition
 1.69 pints
Term
 Convert the following temperatures:95 degrees F = ______ degrees C
Definition
 35 degrees C
Term
 275 degrees F = _____ K
Definition
 408 K
Term
 20 degrees C = ______K
Definition
 293 K
Term
 The density of a substance is 4.0 g/cm^3. If a sample of the substance has a volume of 25 cm^3, then what is its mass?
Definition
 100 g
Term
 You have a lead ball with a mass of 420 g. The density of lead is 10.5 g/cm^3. What is the volume of the ball?
Definition
 40 cm^3
Term
 A loaf of bread has a mass of 500 g and volume of 2500 cm^3. What is the density of the bread?
Definition
 0.2 g/cm^3
Term
 I have 20 g sample of aluminum and a 40 g sample of aluminum. What can I assume about the densities and volumes of each sample?
Definition
 the density of each is the samethe volume of the 40 g sample would be twice as larger as the 20 g sampledensity can't change, so mass & volume increase proportionally
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