Classifications of Matter and Measurements
What is matter
Anything with mass and volume
What is the smallest particle of an element
An atom
What is Avogadro's number
6.022 x 10^23
What ions are "given" or "taken" by acids and bases
Hydrogen ions
What classroom does Mr. Andrews teach in
STEM210
What are the four phases of matter
Solid, Liquid, Gas and Plasma
What are the approximate masses of a proton, neutron, and electron
1 amu, 1 amu, and 0 amu, respectively
What compounds, along with a hydrocarbon, are part of a combustion reaction
Oxygen gas (O2), Carbon dioxide (CO2), and Water (H2O)
What is water's conjugate acid when it is reacted with HCl
H30
Where did Mr. Andrews grow up
Encinitas
What does temperature measure
The kinetic energy of the particles of a substance
What form of radioactive decay converts a neutron to a proton
Electron emission (β-)
What is the sum of the molecular weights in an empirical formula called
The Formula Weight (FW)
What type of reaction is an acid-base reaction
A double replacement reaction
How tall is Mr. Andrews
6'6"
The Law of Constant Composition
What form of decay (if any) would Sn-142 tend to undergo
Electron Emission or -β decay
Which chemical is the limiting reactant when 5.74g Cu and 8.32g AgNO3 are reacted using the chemical equation: Cu + 2AgNO3 -> 2Ag + Cu(NO3)2
AgNO3
What precipitate forms from this chemical reaction?Pb(NO3)2 (aq) + KCl (aq)
Lead Chloride (PbCl2)
What is Mr. Andrew's favorite color
Purple
What are two properties which can be used to separate a mixture
Acceptable: magnetism, solubility, boiling point, size, intermolecular forces
What is ionizing radiation and what two particles are examples of ionizing radiation
Ionizing radiation has enough energy per particle to remove electrons from the particles in our bodies (ionize them), alpha and beta particles are both ionizing radiation
When 86.88g Al reacts with 401.3g HBr, how many grams of H2 are formed given the following equation: 2Al + 6HBr → 2AlBr3 + 3H2
5.000g H2
What is the net ionic equation when hydrochloric acid and sodium carbonate are combined
CO3(2-)(aq) + 2H(2+)(aq) -> H2O(l) + CO2(g)
What is Mr. Andrew's middle name
Clifford 🐶+ 🔴