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Vocabulary
Significant Figures
Scientific Notation
Conversion
Denisty
100
is a defined unit in a system of measurement that is based on an object or event in the physical world
What is a base unit
100
how many sig figs in 0.002300450
What is 7
100
(9.87 x 10^4 g) - (6.2 x 10^3 g)
What is 9.25 x 10^4 g
100
6200 m ---> km
What is 6.2 km
100
A 5-mL sample of water has a mass of 5 g. What is the density of water?
What is 1g/mL
200
Is the base unit for temperature
What is kelvin
200
how many sig figs in 10.0020 x 10^2
What is 6
200
(4.68 x 10^-5 cg) + (3.5 x 10^-6 cg)
What is (5.03 x 10^-5 cg)
200
3.01 g ---> cg
What is 301
200
The density of aluminum is 2.7 g/mL. What is the volume of 8.1 g?
What is 3.0 mL
300
Physical property of matter and is defined as the amount of mass per unit volume.
What is density
300
How many sig figs in 250,000,000
What is 2
300
(4.8 x 10^5 km) x (2.0 x 10^3 km)
What is (9.6 x 10^8 km^2)
300
0.13 cal/g ---> kcal/g
What is 0.00013
300
An object with a mass of 7.5 g raises the level of water in a graduated cylinder from 25.1 mL to 30.1 mL. What is the density of the object?
What is 1.5 g/mL
400
refers to how close a measured value is to an accepted value
What is accuracy
400
how many sig figs in 0.0000001
What is 1
400
(8.42 x 10^6 L) / (2.4 x 10^-3 L)
What is (3.5 x 10^9)
400
6.24 x 10^-7 g ---> micro grams
What is 6.24 x 10^-1
400
You have a 23-g sample of ethanol with a density of 0.7893 g/mL. What volume of ethanol do you have?
What is 29 mL
500
systematic approach to problem solving that uses conversion factors to move, or convert, from one unit to another.
What is dimensional analysis
500
how many sig figs in 10,000.
What is 5
500
4.78 cm + 3.218 cm + 5.82 cm
What is 13.82 cm
500
3.21 mL ---> L
What is 0.00321L
500
What are the three ways the density equation can be written?
What is D=m/v m=vD v=m/D