When placed inside of a magnetic field, the magnetic field that electrons generate aligns in the opposite direction of the applied magnetic field.
Also, someone who is very popular and attracts people has a charming personality. A powerful speaker that attracts many fans has an engaging way of speaking. A magnetic person is attracted to you as if by a magical magnetism. Both meanings of magnetic have to do with the force of attraction. Only ferromagnetic materials such as iron, cobalt and nickel are attracted to magnetic fields strong enough to be considered truly magnetic.
All magnetic fields contain energy, also called magnetic energy. In physics, it is a constant. Magnetic energy is a form of energy from moving charge carriers (electrons) because magnetic fields are generated by electric currents.
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When adjusted for any changes in δh and δs with temperature, the standard free energy change δg∘t at 2400 k is equal to 1.22×105j/mol, then the equilibrium constant at 2400 k is 2.21×10−3. The answer to the statement is 2.21×10−3.
Answer:
b. spontaneous.
c. spontaneous.
Explanation:
Using the net standard potential, it is possible to determine if the reaction is spontaneous or not. If the standard potential of the reaction is positive, the reaction is spontaneous, whereas if the standard potential of the reaction is negative, the reaction is non-spontaneous.
a. Ni(s)+Zn2+(aq)→Ni2+(aq)+Zn(s) E° = - 0.53 v
b. Pb(s)+Mn2+(aq)→Pb2+(aq)+Mn(s) E° = + 0.10 v
c. Ni(s)+Pb2+(aq)→Ni2+(aq)+Pb(s) E° = + 2.46 v
d. Cr(s)+3Ag+(aq)→Cr3+(aq)+3Ag(s) E° = - 1.05 v