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WorksheetsCHM1135 Exam 3 review 2025
Total questions: 15
Worksheet time: 9mins
A carbohydrate with 4 carbons is called a:
triose
pentose
ribose
tetrose
True or False: These two molecules are enantiomers.
False
True
A sample of oxygen at room temperature occupies a volume of 500. L at 1.75 atm. What would be the volume of this gas at 2.50 atm at the same temperature?
350L
0.00286 L
714 L
114 L
A carbohydrate with 5 carbons and a ketone functional group is called a(n):
aldohexose
ketohexose
ketopentose
ketoheptose
Is the following carbohydrate the D or L isomer?
D
L
The predominant intermolecular force between molecules of C(CH3)4 is:
Hydrogen bonding
dipole-dipole
Ionic
london dispersion
A balloon filled with helium gas at 1.00 atm occupies 16.5 L. As it rises into the atmosphere, what will the pressure be when the volume becomes 94.3 L assuming constant temperature?
0.175 atm
5.72 atm
1560 atm
0.06 atm
Which of these will have a higher boiling point?
the first one
the second one
In an exothermic reaction:
energy flows from the reaction into the surroundings.
the free energy of the surroundings decreases.
energy flows from the surroundings into the reaction.
the products have higher free energy than the reactants.
Which of the following actions would not increase the rate of a reaction?
Diluting the reactants by a factor of 2
Increasing the temperature by 10°C
Adding a catalyst
Increasing the concentration of the reactants by a factor of 2
This reaction is a _______
2 SO2(g) + O2(g) → 2 SO3(g)
decomposition
combination
double displacement
combustion
who was Dr. Winters for Halloween?
Lyle
Robin
Meatloaf
Meatball
Which of the following pairs of compounds have the same intermolecular forces between molecules of each compound?
HCl and NaCl
CH4 + CH3CH3
H2O and CH4
PF3 and NH3
Which compound would have the highest boiling point?
methane
ethane
propane
pentane
how many chiral carbons are in this molecule?
0
1
2
7
