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Practice Test
: Chemistry Chapters 7-8
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mass percent
slightly soluble solid
strong bases
double-displacement reaction
base
acid
strong acids
double exchange (AB+CD=AD+CB)
a substance that produces hydroxide ions (OH-) in water (
strong electrolytes that produce H+ ions
substance that produces H+ ions (protons) when it is dissolved in water
mass of element in mole of compound of weight of mole of compound
strong electrolytes that contain OH- ions
a solid where such a tiny amount dissolves in water that it is undetectable with the naked eye
Short Answer
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precipitation reaction
complete ionic equation
synthesis reaction
average atomic mass
empirical formula
Multiple Choice
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molar mass
the mass (in grams) of 1 mole of the substance
a reaction that involves a transfer of electrons
reaction of two solutions to form a solid
mass of element in mole of compound of weight of mole of compound
start with compound (AB=A+B) (type of oxidation-reduction reaction)
spectator ions
strong electrolytes that produce H+ ions
ions that do not participate directly in a reaction in solution
solid that readily dissolves in water
the mass (in grams) of 1 mole of the substance
decomposition reaction
a solid where such a tiny amount dissolves in water that it is undetectable with the naked eye
mass of element in mole of compound of weight of mole of compound
solid that forms
6.02*10^23 (1 mole of something consists of 6.02*10^23 units of that substance)
start with compound (AB=A+B) (type of oxidation-reduction reaction)
combustion reaction
all substances that are strong electrolytes are represented as ions
6.02*10^23 (1 mole of something consists of 6.02*10^23 units of that substance)
the mass (in grams) of 1 mole of the substance
chemical reactions that involve oxygen and produce energy (heat) so rapidly that a flame results (type of oxidation-reduction reaction)
strong electrolytes that produce H+ ions
net ionic equation
start with elements (A+B=AB) (type of oxidation-reduction reaction)
mass of element in mole of compound of weight of mole of compound
strong electrolytes that produce H+ ions
includes only those directly involved in the reaction
the mass (in grams) of 1 mole of the substance
True or False
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strong electrolyte
a material that when dissolved in water conducts electricity, (by ions)
True
False
soluble solid
solid that readily dissolves in water
True
False
precipitate
way for elements to be composed of identical carbon atoms
True
False
Avogadro's number
a material that when dissolved in water conducts electricity, (by ions)
True
False
oxidation-reduction reaction
unit of mass
True
False
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Practice Test: Chemistry Chapters 7-8