End of Semester Test Chemistry B Review 2026
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Terms in this set (41)
A race car is driven by a 160
professional driver at 99 mph. What 2.7
is this speed in kph and kpm?
1 mile = 1.61 kilometers
1 hour = 60 minutes
Express the answers to the correct
number of significant figures.
The speed is equivalent to ____ kph,
or ____ kpm
What is the solution to the problem 33
rounded to the correct number of
significant figures?
8.01 × 4.1 = ?
What is the solution to the problem 13.6
rounded to the correct number of
significant figures?
12.77 + 0.8 = ?
, Given: 92.7
CaC2 + N2 → CaCN2 + C
In this chemical reaction, how many
grams of N2 must be consumed to
produce 265 grams of CaCN2?
Express your answer to three
significant figures.
The reaction requires ____ grams of
N2.
How many atoms of N are in 137.0 2.171 * 10^24
grams of N2O3?
What is the molar mass of AlCl3? 133.33 g/mol
A compound has a molecular C6H8O2
weight of 112.124 atomic mass units
and the empirical formula C3H4O.
What is the molecular formula of
the compound?
What is the empirical formula of a Al2S3
compound with 35.94% aluminum
and 64.06% sulfur?
The compound diborane can be 78%
used as a rocket propellant. What is
the percent composition of boron
in diborane (B2H6)?
Actual with Questions & Answers (Latest 2026 /
2027 Update) 100% Guarantee Pass (Verified
Answers)
Save
Terms in this set (41)
A race car is driven by a 160
professional driver at 99 mph. What 2.7
is this speed in kph and kpm?
1 mile = 1.61 kilometers
1 hour = 60 minutes
Express the answers to the correct
number of significant figures.
The speed is equivalent to ____ kph,
or ____ kpm
What is the solution to the problem 33
rounded to the correct number of
significant figures?
8.01 × 4.1 = ?
What is the solution to the problem 13.6
rounded to the correct number of
significant figures?
12.77 + 0.8 = ?
, Given: 92.7
CaC2 + N2 → CaCN2 + C
In this chemical reaction, how many
grams of N2 must be consumed to
produce 265 grams of CaCN2?
Express your answer to three
significant figures.
The reaction requires ____ grams of
N2.
How many atoms of N are in 137.0 2.171 * 10^24
grams of N2O3?
What is the molar mass of AlCl3? 133.33 g/mol
A compound has a molecular C6H8O2
weight of 112.124 atomic mass units
and the empirical formula C3H4O.
What is the molecular formula of
the compound?
What is the empirical formula of a Al2S3
compound with 35.94% aluminum
and 64.06% sulfur?
The compound diborane can be 78%
used as a rocket propellant. What is
the percent composition of boron
in diborane (B2H6)?
