Chem- Exam 0 (Chemical Reactions, Scientific Notation, Functional Equations)

When balancing equations, you change _, to ensure all elements are _ on both sides of the equation.

coefficients, equal

Solubility Reaction

AB+CD —> AD+CB

Net Ionic Reaction

Aq + Aq —> S

Combution Reaction

AB+ O2 —> CO2+ H2O (always has reactant gas Oxygen and product water)

Acid Base Reaction

HB+AOH —> H2O + AB (always has H at front and OH at end of reactants, and water as a product)

Phase Change Reaction

S —> L

L —> G

etc

Displacement Reaction

AB+C —> CB+A

In reactions, oxidation number refers to the _____ in an equation.

number of oxygen atoms

What is this symbol?

Proportionality

Directly proportional relationship

Both going up, y=X

Inverse

one going up one going down, y= 1/x

Quadratic

y= x²

Inverse Square

y= 1/x²

Logarithmic

y= lognx

Exponential

y= 2^x

10^9= ___ number, 10^-9=____ number

really big, really small

First numbers have to be between

1 and 9

To multiply, ___ the coefficients and ___ the exponents

multiply, add

To divide, ___ the coefficients and ___ the exponents

divide, subtract

List the SI units

meter, kilogram, second, kelvin, mole