Question

Напишите уравнения химической реакции между следующими веществами:а) калием и хлором;,) натрием и бромом;в) медью и кислородом;г) литием и кислородом

Answer 1

2 K + Cl2 = 2 KCl
2 Na + Br2 = 2 NaBr
2 Cu + O2 = 2 CuO
4 Li + O2 = 2 Li2O

Answer 2

Chemical Equations for the Given Reactions

a) Potassium and Chlorine: The chemical equation for the reaction between potassium and chlorine is: ``` 2K + Cl2 -> 2KCl ```

b) Sodium and Bromine: The chemical equation for the reaction between sodium and bromine is: ``` 2Na + Br2 -> 2NaBr ``` c) Copper and Oxygen: The chemical equation for the reaction between copper and oxygen is: ``` 4Cu + O2 -> 2Cu2O ``` d) Lithium and Oxygen: The chemical equation for the reaction between lithium and oxygen is: ``` 4Li + O2 -> 2Li2O ``` These chemical equations represent the reactions between the specified elements, resulting in the formation of the respective compounds.