Properties
What property is measured in g/mL
Density
Made of one type of material throughout
Substance
How many nitrogen atoms are in N2
2
What describes the process of atoms rearranging to produce a new substance?
Chemical Reaction
Argon is more or less dense than methane
More
How a substance interacts with fire
Flammability
Characteristics of a substance that do not change
Properties
How many oxygen atoms are there in 100 molecules of water (H2O)
100
What are the reactants in our bath bomb chemical reaction
Baking soda, citric acid, and water
The density of carbon dioxide is
1.960 g/mL
Name two properties
Density, Odor, Flammability, Boiling Point, State of Matter at Room Temperature
The originial substances you start with before the chemical reaction occurs
Reactants
How many H atoms are present in 7(H2O)
14 H atoms
What are the products for our bath bomb chemical reaction
Sodium citrate, carbon dioxide, and water
What are two gases that would increase a flame
Oxygen, Methane, Hydrogen, Propane
What is measured in mass/volume (g/mL) and is a property
Density
New substances that are produced from a chemical reaction
Products
Write the number of the molecules present in 5(H2O2) as well as the amount of each atom.
5 molecules
10 H atoms
10 O atoms
What gas is being produced from the bath bomb being added to water?
Carbon Dioxide (CO2)
What is the most dense gas on N15
Propare
What is not a property?
A - Flammability
B - Mass
C - Density
D - Odor
B - Mass
If a material completely dissolves in another material it is
Soluble
How many molecules of hydrogen peroxide are there in 10(H2O2)
10
What do we call the process of a substance changing its state of matter
Phase Change
What is the boiling point of Helium
-268