Measurements
What is he SI unit for Length
Meters
What is the equation for density
D=M/V
4
What is the equation for Kelvin if you are given a Celsius?
K=C+273.15
What is the correct prefix:
1000 grams= 1 ___ grams
Kilo
Density is a _____ of a chemical substance
Physical property
34.33
Convert 25°C to K
298°K
What is the conversion factor for hour to minutes
1 hr/60 min
What are the 3 prefixes less than the base unit
Deci, Centi, Milli
What is the density of a platinum nugget that has a mass of 224.50 g and a volume of 10.0 mL?
22.5 g/mL
Express 34,000,000,000,000 in scientific notation
3.4e13
What is the difference between Accuracy and Precision
Accuracy is how close a number is to the accepted value
Precision is how close a series of numbers are to each other
What is the factor-label method
The method where "labels" are "factored" out
Many many kg is 34 hg
3.4 kg
An object has a volume of 825 cm3 and a density of 13.6 g/cm3. Find its mass.
11,200 g
What is 0.3107 X 23100 with the correct significant figures
7170.
If accepted value is 27.382g, which set is more precise?
Set 1: 29.421, 29.189, 29.298
Set 2:27.326, 26.789, 28.131
Set 1
How many seconds are in 1.76 days
[1 day=24 hr][1 hr=60 min][1 min=60 sec]
152 064 sec
How many daL is 2453 cL
2.453 daL
Calculate the percent error in a length measurement of 4.25 cm if the accepted value is 4.08 cm.
4.17%
1:Express 3.67e7 in expanded form
2:Express .00002894 in scientific notation
1:36 700 000
2:2.894e-5
To two decimal places, convert 67°F to Kelvin and Celsius
Kelvin=292.59°K
Celsius=19.44°C
How many m/s is 98 mph
[1 mi=1.609 km][1 km=1000][1 hr=60 min]
[1 min=60 sec]
43.80056 m/s