How many sig figs are there?
0.0034
2
Give an example of an intensive property
Density, hardness, melting point
What is the equation for density?
D= M/V
_____ is a proposed explanation for an observation
Hypothesis
What is the unit used when measuring volume of a liquid?
Liters or militer
Round this number to 4 sig figs:
3045.01
3045
Which of the following is not matter?
Wind, Air, Clouds, Rain
Wind
Find the density:
mass = 64.3 g and volume = 4.0 ml
16 g/ml
Chemistry is the study of what?
Matter and the changes it undergoes
If you have a block that weighs 6g and a volume of 40ml, what would the unit for density be?
g/mL
What is this in number in scientific notation?
0.0000345
3.45x10^-5
What are the two types of mixtures
Homogeneous and Heterogeneous
Find the mass:
Density is 16.4 g/ml and volume is 3.30 ml
54.1 g
____ a well tested explanation for a broad set of observations
Theory
What piece of equipment is used to measure volume of a liquid?
Graduated cylinder
What is the volume of a cube the has a side that measures 5cm?
125 cm^3
Which of the following is a chemical property?
Melting, Color, Rusting, Mass
Rusting
Find the volume:
Density= 24 g/ml and mass = 54.3
2.3 mL
What does letter B represent?
precise but not accurate
How do you find the volume of a regularly shaped solid object?
The dimensions
What is the answer with the correct amount of sig figs?
7.90g + 4.5g =
12.4g
What is the difference between a mixture and a substance
mixture requires physical separation and a substance needs chemical seperation
1.6 g/cm^3
Where is the science of chemistry rooted
Alchemy
What is this reading?
24.0 ml