Stoichiometry Review: Question Preview (ID: 253)

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Which type of chemical equation involves one compound breaking apart into two or more molecules?
a) decomposition
b) single replacement
c) double replacement
d) synthesis

The study of the amounts of reactants used and products formed from a chemical reaction is called ___?
a) geology
b) pharmacology
c) biology
d) stoichiometry

The reactant that is used up first in a chemical reaction is known as the ___________ reactant.
a) excess
b) limiting
c) surplus
d) restricting

The SI unit used to measure the number of particles in a substance is called the ___.
a) kilogram
b) liter
c) mole
d) meter

The number, 6.02 times 10 to the 23rd power is known as
a) Planck's constant
b) Avogadro's number
c) Schrodinger's number
d) Einstein's constant

The mass of the reactants equals the mass of the products. This is the Law of
a) Multiple proportions
b) gravity
c) Conservation of Mass
d) Avogadro's number

The limiting reactant of a candle burning under a jar is the
a) oxygen
b) candle
c) jar
d) carbon dioxide

When converting to from moles of oxygen to grams of oxygen, the
a) 1
b) 2
c) 3
d) 4

When gas burns to cook food, the type of reaction is _____.
a) synthesis
b) combustion
c) decomposition
d) single replacement

Where do you find information about converting moles to grams?
a) in the number of moles
b) in Avogadro's number
c) in the mole ratio
d) in the periodic table

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