Lab Safety & Equipment
The length of time you rinse your eyes in the eye wash.
What is 15 minutes
The value that you obtain in a laboratory experiment
What is the measured or experimental value
Actual value is 75.7 grams
Measured value is 63.0 grams
What is not accurate
The number of significant figures in 0.0950 m
What is 3
The number 87,333 in scientific notation
What is 8.7333 x 104
The appropriate glassware used to measure exactly 25.0 mL of liquid.
What is a graduated cylinder.
The value that to which you compare your measured value.
What is accepted or actual value
Actual value is 35.06 cm3
Measured values are 25.11 cm3, 24.98 cm3, and 25.06 cm3.
What is low accuracy and high precision
The answer in proper significant figures
(5.4 x 104) x (3.5 x 109)
What is 1.9 x 1014
The number 6,320,000 in scientific notation
What is 6.320 x 106
Mandatory safety equipment used in almost all chemistry experiments.
What are lab goggles
Calculate percent error:
measured value = 23.6 grams
actual value = 25.0 grams
What is 5.60 %
In a cornhole game 3 of 4 red beanbags go through the hole and one is on the ground. Yet 1 of 4 blue beanbags go through the hole and 3 are on the board.
The more accurate bean bags.
What are the red bean bags.
56.3798+23.409+34.0590+21. with correct significant figures
What is 135
The number 0.000000008 in scientific notation
What is 8 x 10-9
The "smile" that an aqueous liquid makes when in a glass measuring device.
What is the meniscus
Calculate Percent Error with correct sig figs:
measure valued = 103.2 oC
actual value = 100.0 oC
What is 3.200 %
Kicker 1 hits field goals over 50 yards 35.0 % of the time.
Kicker 2 hits field goals over 50 yards 57.7 % of the time.
The kicker with higher precision.
Who is Kicker 2.
14.2 x 8.72 x 0.912 reported to correct significant figures.
What is 113
The product of the following numbers:
(5 x 107) x (6 x 108)
What is 3 x 1016
Mr. Petri always says
What is "Be alert and proceed with caution!"
Actual value if measured value is 10.0 grams and the value is 20.0 % too high
What is 8.33 grams
Percent error for an experiment is 15.0 %. The value for the percent yield.
What is 85.0%
The calculation for the following in proper significant figures: 6.6 x 106 / [(8.8 x 10-2) x (2.5 x 103)]
What is 3.0 x 104
The quotient of the following numbers:
(6 x 1025)/(2 x 1019)
What is 3 x 106