Question

Ca+O2->K+Cl2-> Cu+Cl2-> Na+O2-> Ba+S-> Na+S-> ​

Answer 1

Ответ:

1)CaO

KCl

CuCl2

Na2O

BaS

Na2S

Answer 2

It looks like you've provided a sequence of chemical reactions. Let me break down each step for you:

1. Ca + O2 -> This is a combustion reaction where calcium (Ca) reacts with oxygen (O2) to produce calcium oxide (CaO).

2. K + Cl2 -> This is a synthesis reaction where potassium (K) reacts with chlorine (Cl2) to form potassium chloride (KCl).

3. Cu + Cl2 -> Copper (Cu) reacts with chlorine (Cl2) to produce copper(II) chloride (CuCl2).

4. Na + O2 -> Sodium (Na) reacts with oxygen (O2) to form sodium oxide (Na2O).

5. Ba + S -> Barium (Ba) reacts with sulfur (S) to produce barium sulfide (BaS).

6. Na + S -> Sodium (Na) reacts with sulfur (S) to produce sodium sulfide (Na2S).

Each of these reactions represents the combination of specific elements or compounds to form new compounds. If you have any specific questions or if you'd like more information about a particular reaction, please feel free to ask.