Lights, Camera, Reaction!
1.Type of reaction when a hydrocarbon (CxHy) reacts with oxygen
Combustion
Avogadro's number
6 x 1023
MgCl2
magnesium chloride
Chemical change that can occur when iron is exposed to oxygen and water
rusting
Air is an example of an element, compound, heterogeneous or homogeneous mixture.
Homogenous mixture
Type of reaction that produces a precipitate when 2 compounds combine
Double replacement
Average atomic mass is the weighted average of all of the ______ of a atom
isotopes
SCl2
sulfur dischloride
Two examples of chemical properties
flammability and reactivity
What are the four orbital sublevels
s, p, d, f
When Magnesium reacts with HCl, a gas can be collected in a eudiometer. The gas is ____.
H2
This is the coefficient in front of the Al in this reaction
Al + O2 --> Al2O3
4
H3PO4
phosphoric acid
3.Which of the following is not a quantitative property: density, malleability or melting point.
malleability
term for energy need to remove and electron
Ionization energy
The kind of reaction that occurs when hydrogen combines with oxygen during a hydrogen balloon explosion
Synthesis
molar mass of H2O
18 g/mol
NaClO2
sodium chlorite
Four ways to determine if a chemical change has occurred
Bubbles, precipice, heat, or color change
Type of bond with largest difference in electronegativity
Ionic
Sodium reacts violently with H2O in this type of reaction
Single Replacement
The Density of a cube is 3.0g/cm3 , the mass is 24.0g. How long is each side?
2 cm
KC2H3O2
potassium acetate
4 verbs that describe a physical change
Any of the phase changes, bending, cutting, etc.
Example of an exothermic phase change
Condensation, freezing, or deposition