This is the number of significant figures in the measurement 5.404 x 10^2 km.
What is four?
100
This is the 143,700 rounded to three significant figures and expressed in exponential notation.
What is 1.44 x 10^5?
100
The temperature on a warm summer day is 87 degrees Fahrenheit. This is the same temperature expressed in degrees Celsius.
What is 31 degrees Celsius.
100
1 mL is equal to this many Liters.
What is 10^-3 (.001) or one thousandth?
200
This instrument is tall and slender and has many tiny increments used to measure volume.
What is a graduated cylinder?
200
This is the number of significant figures in the measurement 0.0234 m
What is three?
200
This is 0.09750 rounded to three significant figures and expressed in exponential notation.
What is 9.75 x 10^-2?
200
The melting point of sodium bromide (a salt) is 755 degrees Celsius. This is the same temperature in degrees Fahrenheit.
What is 1391 degrees Fahrenheit?
200
This is the amount of microliters in 1.27 x 10^-4 L.
What is 1.27 x 10^2 microliters?
300
This instrument can be used to watch chemical reactions occur, but does not have any markings on it. It can be placed on a rack for easy observation.
What is a test tube?
300
This is the number of significant figures in the measurement 5.500 cm
What is four?
300
This is 890,000 rounded to three significant figures and expressed in exponential notation.
What is 8.90 x 10^5?
300
Toluene freezes at -95 degrees Celsius. The temperature expressed in Kelvin is this.
What is 178 Kelvin?
300
This is the amount of centigrams in 1.27 x 10^5 picograms.
What is 1.27 x 10^-5 cg?
400
This cone-shaped instrument is used to pour things into containers.
What is a funnel?
400
This is the number of significant figures in the measurement 430.98 K
What is five?
400
This is the number 67.64 x 10^4 rounded to three significant figures and expressed in exponential notation.
What is 6.76 x 10^5?
400
Many scientific data are reported in 25 degrees Celsius. The temperature in Fahrenheit would be this.
What is 77?
400
The density of dry air measured at 25 degrees Celsius is 1.19 x 10^-3 g/cm^3. The volume of 50.0 g of air is this.
What is 4.20 x 10^4 cm^3?
500
This cone-shaped vessel is used to perform several chemical reactions.
What is an erlenmeyer flask?
500
This sis the number of significant figures in the measurement 204.080 g
What is six?
500
This is -6.5559 rounded to three significant figures and expressed in exponential notation.
What is -6.56 x 10^0?
500
Neon, the gaseous element used to make electronic signs, has a melting point of -248.6 degrees Celsius, and a boiling point of -246.1 degrees Celsius. The melting point of neon would be this many Kelvins.
What is 24.55?
500
Earth is approximately 1.5 x 10^8 km from the sun. This is how many minutes it takes light to travel from the sun to the earth if the speed of light is 3.0 x 10^8 m/s?