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Ch. 6
<covalent>
Ch.7
<reactions>
Ch.9
<stoichiometry>
Ch. 15
<acids/bases>
Miscellaneous
100
a molecule or part of a molecule that contains both positively and negatively charged regions.
What is a dipole?
100
6.02x10²³
What is avogadros number?
100
why do equations need to balanced?
to know the correct amount of moles and to satisfy the law of conservation of mass.
100
0-14
What is the pH scale?
100
knock knock who is there? lisa lisa who?
lisa you could do is give us an A
200
mono:1 di:2 tri:3 tetra:4 Penta:5
What are prefixes for covalent bonds?
200
what is the si unit for amount?
mole
200
how do you calculate the percent yield?
actual/theoretical x 100
200
What is the conjuagted base of HCl ?
chloride ion, Cl-
200
If H-two-O is the formula for water, what is the formula for ice?
H-two-O CUBED!!
300
0-0.5-2.1-3.3
What is electronegativity difference?
300
the particles in a mole can be what?
atoms, molecules, or ions.
300
when calculating the limiting reactant what must you know?
the amount of both reactions.
300
which one is a strong base? - NH₃ -NaOH -Na₂CO₃
NaOH
300
Brooke
Who is Ms. Mcfarlanes other side?
400
What can electronegativity differences be used to predict?
properties of a bond.
400
find the mass in grams of 2.44x10²⁴ atoms of carbon, whose molar mass is 12.01 g/mol
2.44x10²⁴ atoms x 1mol x 12.01g C= 48.7g C ______ _______ 6.02x10²³ atoms 1 mol
400
a substance that controls the quantity of product that can form in a chemical reaction
What is a limiting reactant?
400
7
What is the neutral pH level?
400
knock knock.. who is there? smell mop
smell mop who?
500
what does an electron configuration show?
all of the electrons of an atom
500
the number of grams in a substance will always be bigger then the number of moles in the substance. True or False?
True
500
what do coefficients represent in an equation?
the number of moles.
500
Solution that resists changes in the pH that would otherwise be caused by the addition of acids or bases.
What is a buffer solution?
500
Ms. Mcfarlane
Who is the rawest chem 1 teacher?