Terms
Define mass and include the scientific unit for mass.
Amount of matter in an object, g
How many centimeters are in a meter?
100 cm
Put 8,400,000 into correct scientific notation.
8.4 x 106
What do you do to the exponents when you multiple 2 numbers in scientific notation?
Add
What is the name of the fuel source in a combustion reaction?
Hydrocarbon
Define density.
Compactness of matter
How many liters are in 5 mL?
0.005 L
Convert 7.3 x 10-6 into standard notation.
0.0000073
What do you do to the exponents when dividing numbers in scientific notation?
Subtract
How many carbons are in butane?
4
How do you calculate weight?
What is the unit for weight?
F = mg
g = gravitational acceleration on earth, 9.8 m/s2
Newtons (N)
How many hectometers are in a decameter?
0.1 hm
Convert 72 x 105 into correct scientific notation.
7.2 x 106
(3 x 103)(4 x 102)
1.2 x 106
What are the 2 products created when something burns in a combustion reaction?
CO2 and H2O
What units would be used for density of solids?
g/cm3
How many deciliters are in a kiloliter?
10,000
Put 78 x 10-4 into correct scientific notation
7.8 x 10-3
(12 x 103)/(4 x 102)
3 x 101
Describe specific heat and why water protected us when we burned our hands.
Specific heat is the amount of energy it takes to change something's temperature. Water has a high specific heat.
What is the weight on earth of an object that has a mass of 200 kg?
1960 N
F = mg = 200*9.8
There are this many milligrams in 7.2 kilograms.
7200000 mg
Put 783.2 x 10-2 into correct scientific notation.
7.832 x 100
(3 x 102)/(4 x 102)
7.5 x 10-1
What is the name of the specific hydrocarbon that we used as our fuel source when we lit our hands on fire?
Alkane (butane)