Chapter 1
What is accuracy
Basic structure of chemical reactions
Reactants yield products
Provides the relative number of each atoms present in a compound
Empirical formula
The oxidation number of H2
0
mols of solute/L of solution
What is Molarity
Negatively charged, small component of an atom
What is an electron
Atoms of an element that vary in the number of neutrons
What is an isotope
We name these using prefixes
Molecular Compounds
This compound donates H+ ions.
What is an Acid.
Given 45mL of a solution that is .5M, find the moles.
0.023 moles
Charastics of a substance whose values depend on the amount of material present
What is Extensive Properties
The horizontal rows of the periodic table
What is periods.
These fully dissociate in aqueous solutions
Strong Acids, Strong bases, and Ionic salts
Metal least likely to oxidize.
What is gold?
The point at which the indicator changes color.
What is the endpoint
Anything that has mass and occupies space
What is matter?
Silicon is apart of this classification on the periodic table.
Metalloids
A mole is equivalent to...
What is Avogadro's Number
List all strong acids and bases.
HCl, HBr, HI, HNO3, H2SO4, HClO3, and HClO4,
or
group 1 and heavy group twos
30g of C6H6 reacts to form how much HBr.
Assume a 1:1 mole ratio
60.3g of HBr
Elements that naturally exist as a combination of 2 atoms.
What is diatomic elements?
Bonus: H2, N2, O2, I2, Cl2, Br2
A weighted average mass of the atoms in a naturally occurring sample of the element
Average Atomic Mass
Formula: mass(%/100)
Empirical formula for a substance with 3.57g of nitrogen and 2.04g of oxygen.
N2O
The ion that loses electrons in a reaction.
What is the reducing agent.
It takes 83 mL of a 0.45 M NaOH solution to neutralize 235 mL of an HCl solution. What is the concentration of the HCl solution?
0.16M