The set up of a galvanic cell is given. The reducing agent and the oxidizing agent, and the direction of the electron flow are to be stated. Concept introduction: In galvanic cell, the oxidation occurs at anode while reduction occurs at cathode. The species that undergoes oxidation reaction loses electrons and reduces other species. Therefore, it acts as a reducing agent. On the other hand, the species that undergoes reduction reaction gains electrons and oxidizes other species. Therefore, it acts as an oxidizing agent. To determine: The oxidizing agent and the reducing agent, and the direction of the electron flow.
The set up of a galvanic cell is given. The reducing agent and the oxidizing agent, and the direction of the electron flow are to be stated. Concept introduction: In galvanic cell, the oxidation occurs at anode while reduction occurs at cathode. The species that undergoes oxidation reaction loses electrons and reduces other species. Therefore, it acts as a reducing agent. On the other hand, the species that undergoes reduction reaction gains electrons and oxidizes other species. Therefore, it acts as an oxidizing agent. To determine: The oxidizing agent and the reducing agent, and the direction of the electron flow.
Solution Summary: The author explains the set up of a galvanic cell. The oxidation reaction occurs at anode and the reduction reaction at catho.
The set up of a galvanic cell is given. The reducing agent and the oxidizing agent, and the direction of the electron flow are to be stated.
Concept introduction:
In galvanic cell, the oxidation occurs at anode while reduction occurs at cathode. The species that undergoes oxidation reaction loses electrons and reduces other species. Therefore, it acts as a reducing agent. On the other hand, the species that undergoes reduction reaction gains electrons and oxidizes other species. Therefore, it acts as an oxidizing agent.
To determine: The oxidizing agent and the reducing agent, and the direction of the electron flow.
The table includes macrostates characterized by 4 energy levels (&) that are
equally spaced but with different degrees of occupation.
a) Calculate the energy of all the macrostates (in joules). See if they all have
the same energy and number of particles.
b) Calculate the macrostate that is most likely to exist. For this macrostate,
show that the population of the levels is consistent with the Boltzmann
distribution.
macrostate 1 macrostate 2 macrostate 3
ε/k (K) Populations
Populations
Populations
300
5
3
4
200
7
9
8
100
15
17
16
0
33
31
32
DATO: k = 1,38×10-23 J K-1
Don't used Ai solution
In an experiment, the viscosity of water was measured at different
temperatures and the table was constructed from the data obtained.
a) Calculate the activation energy of viscous flow (kJ/mol).
b) Calculate the viscosity at 30°C.
T/°C
0
20
40
60
80
η/cpoise 1,972 1,005 0,656 0,469 0,356
Chapter 17 Solutions
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