100 100 100 100 100 100
200 200 200 200 200 200
300 300 300 300 300 300
400 400 400 400 400 400
500 500 500 500 500 500
Nomenclature Atomic Theory
Empirical Formulas
Reactions & Stoichiometry
Name the following:
MgSO4
A 100
Magnesium sulfate
A 100
Name the following: CrO2
A 200
Chromium (IV) oxide
A 200
Name the following:
HBrO2
A 300
Bromous acid
A 300
Write the formula for the following: copper (II) cyanide
A 400
Name the following: mercury (I) sulfide
A 500
This scientist discovered the electron
B 100
This subatomic particle is involved in chemical
reactions.
B 200
Write the chemical symbol for the species containing 36 electrons, 35 protons, and 44
neutrons
B 300
This scientist discovered the neutron.
B 400
Name the only country that is named after an element.
B 500
What is the empirical formula of the compound with the
formula C18H28O12
C 100
Mustard gas (C4H8Cl2S) is a poisonous gas that was used
in World War I. Calculate the percent composition by mass of chlorine in mustard gas.
C 200
What is the empirical formula of a compound containing
2.1% H, 65.3% O and 32.6% S by mass?
C 300
DAILY DOUBLE
C 400
DAILY DOUBLE
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Analysis of a metal chloride XCl3 shows it contains 67.2% Cl
by mass. Calculate the molar mass of X and identify the
element.
C 400
Molar mass = 158.26 g/mol
Chromium
C 400
Methyl tert-butyl ether (MTBE) is a compound (composed of C, H, and O) that has replaced lead
in gasoline. When 12.1 g of MTBE of the compound are
burned, 30.2 g of CO2 and 14.8 g of H2O are formed. What is the
empirical formula of the compound?
C 500
Why is it necessary to balance chemical equations?
D 100
B/c the law of conservation of mass states that matter cannot
be created or destroyed
D 100
Write a balanced chemical equation for the combustion
of butyric acid (C4H8O2).
D 200
C4H8O2 + 5O2 --> 4CO2 + 4H2O
D 200
2 Al (s) + 6 HCl(aq) 2 AlCl3(aq) + 3 H2(g)According to the reaction represented above, about
how many grams of aluminum are necessary to produce 0.50 mol of hydrogen gas at 25°C and 1.00
atm?a. 1.0 gb. 9.0 gc. 14 gd. 27 ge. 56 g
D 300
C6H6 + Br2 --> C6H5Br + HBr
What is the theoretical yield of bromobenzene (C6H5Br) when 30.0g of benzene (C6H6 ) reacts
with 65.0 g of bromine?
D 400
Aspirin, C9H8O4, is produced from salicylic acid, C7H6O3, and acetic
anhydride, C4H6O3.
C7H6O3 + C4H6O3 --> C9H8O4 + HC2H3O2
What is the theoretical yield of aspirin if 185 kg of salicylic acid is allowed to react
with 125 kg of acetic anhydride?
D 500
Correct Response Five D
D 500
Question Number One E
E 100
Correct Response One E
E 100
Question Number Two E
E 200
Correct Response Two E
E 200
Question Number Three E
E 300
Correct Response Three E
E 300
Question Number Four E
E 400
Correct Response Four E
E 400
Question Number Five E
E 500
Correct Response Five E
E 500
The classification of Mammals with pouches
F 100
What are Maruspials?
F 100
This second largest bird in the world is native to Australia
F 200
What is the ostrich?
F 200
Australia’s wild dogs
F 300
What are dingos?
F 300
This Australian island is the home of a devil and a wolf
F 400
What is Tasmania?
F 400
Although the National Bird of New Zealand, it is also indigenous to Australia
F 500
What is the Kiwi?
F 500
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