Significant Figures
How may Significant Figures are in the number 5.005?
4
What are the units for density?
g/mL or g/cm3
a change from one state (solid or liquid or gas) to another without a change in chemical composition
What is a Physical Change?
a substance made by mixing other substances together.
What is a mixture?
Orange Juice w/ Pulp
Heterogeneous Mixture
How may Significant Figures are in the number 700.050?
6
What is the formula for finding volume?
L x W x H
also known as a chemical reaction, is a process where one or more substances are altered into one or more new and different substances.
What is a Chemical Change?
This mixture is a solid, liquid, or gaseous mixture that has the same proportions of its components throughout any given sample.
What is a Homogeneous Mixture?
Aluminum
What is an Element.
How may Significant Figures are in the number 7,000 ?
1
The formula to find the mass of an object is ?
M = D x V
a property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
What is a Chemical Property?
mixture that is not uniform in composition - it's a non-uniform mixture of smaller constituent parts
What is a Heterogeneous Mixture?
Chromium
What is an Element?
How may Significant Figures are in the number 8,000. ?
4
You have a rock with a volume of 15cm3 and a mass of 45 g. What is its density?
3 g/ cm3
Burning of Toast
Chemical Change
can be either an element or a compound.
What is a Pure Substance?
Muddy Water
What is a Heterogeneous Mixture?
How may Significant Figures are in the number 5.05?
3
You have a different rock with a Density of 30g/cm3 and a volume of 5 cm3. What is its ?
What is the 150g?
Hardness of an unknown substance?
Physical Property
are chemically the simplest substances and hence cannot be broken down using chemical reactions, found on the periodic table
What is an Element?
Baking Soda (NaHCO3)
What is a Compound?