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Why don't amorphous crystals have a definite melting point? Why? Why? Why? Why? Why? Why? Why?
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Why don't amorphous crystals have a fixed melting point? Is it related to its physical structure? Why doesn't the amorphous have a fixed melting point? Is it related to its physical structure?
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RELATED INFORMATIONS
- 1. What is the common crystal non-crystal and how much is the melting point?
- 2. Does the amorphous have a melting point, if not, then when the amorphous melts, should call it why Does amorphous have a melting point, if not, then when amorphous melts, should call it why
- 3. Why don't amorphous crystals have a fixed melting point?
- 4. The following statement is true:______.(insert the letter before the correct option) A. Single crystals and polycrystals have a fixed melting point, and amorphous bodies have no fixed melting point B. The physical properties of single crystals and polycrystals are anisotropic and amorphous C. Beads are spherical, due to surface tension D. If the temperature of a bubble rises from the bottom of the lake to the surface of the lake remains the same, the entropy of the gas system in the bubble increases.
- 5. CO2+ NaClO + H2O == NaHCO3+ HClO Why not sodium carbonate?
- 6. The basis for selecting different generating devices for hydrogen peroxide oxygen production and potassium permanganate oxygen production is __________,________. The advantages of hydrogen peroxide oxygen production compared with heating potassium permanganate oxygen production are __________;________. Dry ice can be used for artificial rainfall, as refrigerant, the principle is ____________,__________. The basis for selecting different generating devices for hydrogen peroxide oxygen production and potassium permanganate oxygen production is __________,________. Compared with heating potassium permanganate oxygen production heating potassium permanganate oxygen production are __________;________. Dry ice can be used for artificial rainfall, as refrigerant, the principle is ____________,__________.
- 7. Continuous introduction of SO2 into clarified lime water SO2 continuous introduction of clarified lime water
- 8. What is the chemical formula of the compound formed by sulfur ions and sodium ions
- 9. The problem of boiling point of alkali metal From top to bottom of the periodic table of alkali metals, the relative atomic mass increases, i.e. the intermolecular force increases constantly, the melting boiling point increases, but in fact, the melting boiling point decreases. Why?
- 10. When there are MgCl2, NaSO4 there are MgCl2, NaSO4 and CaCL2 in NaCl to remove impurities with NaOH Na2CO3 BaCL2 Why there are MgCl2, NaSO4 and CaCL2 in NaCl to remove impurities with NaOH Na2CO3 BaCL2, why does bacl2 have to be excessive
- 11. Include nitrate ion, per ion, nitrite ion, hydroxide ion example, lactate ion, Include nitrate ion, per radical ion, nitrite ion, hydroxide ion example,ate ion, each of five chemical formulas
- 12. Oxygen, chloride, nitrate, carbonate, hydroxide, sulfate, sulfite, bicarbonate, phosphate and ammonium, ferrous (Connection problem): Chemical formula and name of iron ion, copper ion, aluminum ion, calcium ion, magnesium ion and zinc ion
- 13. As for the chemical formula hydroxide radical, sulfate radical, carbonic acid radical, nitrate radical and ammonium radical, they become the chemical formula after radical removal As for the chemical formula hydroxide, sulfate, radical, carbonic acid radical, nitrate radical and ammonium radical, they become the chemical formula after radical removal
- 14. Find the symbol of atom group: sulfate carbonate hydroxide ammonium nitrate Find the symbol of atomic group: sulfate carbonate hydroxide ammonium nitrate
- 15. What is the chemical formula of ammonium ion, sulfate ion, nitrate ion, carbonate ion, bicarbonate ion, acid ion and phosphate ion You're right!
- 16. Hydroxyl, Carbonate, Ammonium, Sulfate, Phosphate, Nitrate, Sulfite, Hydrogen Carbonate and Metal Ions
- 17. Chemistry – chemical symbols of hydroxide, nitrate, ammonium, sulfate and carbonate, point expression? Chemistry ----------------------------------?
- 18. I don't know how to write when I get hurt. For example, I do n' t know how to write ammonium ions. Can HNO3 go to HCL in one step? How to turn if you can, what to add. CA0 can transform Wei CA (OH)2 I don't know how to write when I get hurt, for example, ammonium ions. I do n' t know whether to add or subtract ions Can HNO3 go to HCL in one step? How to turn if you can, what to add. CA0 can transform WeiCA (OH)2 I don't know how to write when I' m hurt, for example, ammonium ions. I don't know whether to add or subtract ions Can HNO3 go to HCL in one step? How to turn if you can, what to add. CA0 can transform Wei CA (OH)2
- 19. What's the difference between ammonium, ammonium ions, the chemical formula of ammonium ion groups What is the chemical formula of ammonium, ammonium ion, ammonium ion group
- 20. How to Write the Chemical Formula of Ammonium Ion