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General Chemistry II ACS Exam 2024/2025 Questions With Completed & Verified Solutions.
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General Chemistry II ACS Exam 2024/2025 Questions With Completed & Verified Solutions.
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General Chemistry II ACS Exam1. Which of the following processes absorbs heat?
sublimates at room temperature to form CO2 gas
3 multiple choice options
2. A reaction is experimentally determined to have a change of enthalpy (▵H) of -327.1 kJ at
-15.0°C. Calculate the entropy change brought by this reaction to the surroundings at the given
temperature.
1.27 kJ/K
3 multiple choice options
Brainpower
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3. How many resonance structures does an SO3 molecule have?
3
3 multiple choice options
4. Select the statement that is NOT true regarding the trends in the properties of elements in
group 7A.
The melting point decreases in group 7A when going down the column.
3 multiple choice options
5. Which of the following equations does not count as an oxidation-reduction reaction?
CO2 (g) + H2O (l) --> H2CO3 (aq)
3 multiple choice options
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6. An alkaline battery has one electrode that is made with Zn and KOH, the other electrode
made with MnO2 and graphite. Its half-cell reactions are:
MnO2(s) + H20 (l) + e- --> MnO (OH) (s) + OH- (aq), E° red = +0.27 V
Zn(OH)2 (s) + 2 e- --> Zn(s) + 2 OH- (aq), E° red = -1.28 V
Based on the standard reduction potentials, identify the anode, the cathode, and the emf of this
battery.
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