Compression of the spring in the acid dissolved and stretch?
Spring factory introduced spring elastic potential energy, in essence is the total number of potential energy between atoms, iron after
compression spring is acid dissolution, the interatomic potential energy will be converted into the mechanical energy of the atom, prompting the average temperature in aqueous solution rose slightly.
In this instance, the law of conservation of momentum is certainly, compression spring elastic potential energy, after the spring thaw, spring elastic potential energy is gone, so the kinetic energy of the original elastic potential energy, there is no doubt that will be a way to also have you consider the spring compression external economic system, in view of the spring steel, by many of the iron atoms according to interatomic forces join and become, under normal conditions, between adjacent atoms together similar to zero, there will be no thermal stress;
Accompanied by atoms (
Or molecular structure)
The change of spacing between, between atoms interaction force and potential energy will also be changed: (
1)
Spacing decreases, neighboring atoms (
The molecular structure)
Main show is repulsive force between;
(
2)
Spacing to eliminate, neighboring atoms (
The molecular structure)
Main show is between appeal;
(
3)
If the atoms (
Atoms)
Between the distance to a certain level, then the interatomic potential energy close to zero;
Without compression spring, a spring chemicals between atoms together is zero, when the spring compression, the kinetic energy of the spring will have a interatomic potential energy;
The spring fixed at this moment, and in the acid dissolution, possess the potential energy of atoms separate atoms get rid of the potential energy will cause the rate of atoms, when all the potential energy of iron atoms are released into the mechanical energy of atoms, is mainly for aqueous solution of energy, because energy is the essence of the thermal motion of molecules and atoms.
If we have the high precision temperature measuring instrument, and assign two identical spring, the one without compression, and a compression elastic potential energy and stationary, then respectively placed acid dissolution, then the compressed spring thaw, will release a lot of energy, make average temperature is higher than in a solution.
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