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This is usually called a "displacement" reaction; a metal higher in the electromotive series is displacing a metal below it in the electromotive series in a compound of the latter.
single replacment
2NaH2 + O2 yields 2Na + 2H2O
H2. Hydrogen gas.
koh + h2so4-khso4 +h2o
The chemical equation is:MgF2 + 2 Na = 2 NaF
It is a REDOX reaction. Sodium is oxidized by Fluorine which is itself reduced by the sodium. 2Na + F2 = 2NaF.
No.for a start you have potassium on one side (K) and sodium on the other (Na) and what has happened to the Oxygen (O).Your chemical equation does not make any sense.
This is usually called a "displacement" reaction; a metal higher in the electromotive series is displacing a metal below it in the electromotive series in a compound of the latter.
single replacment
2NaH2 + O2 yields 2Na + 2H2O
no 2Na (s) + MgF2 ? 2NaF (s) + Mg (s) is balanced apex
It is an eothermic type of reaction.
2 or more
2NH3 + 2NA = 3H2 + NA3N2
The type of reaction represented by Zn plus 2NaCl yields 2Na plus ZnCl2 is an impossible one. It would be the other way around. 2Na + ZnCl2 --------> 2NaCl + Zn
Sodium chloride dissolved in water form a solution.