Question

K + O2K20Ca + O2CaoP + O2P205​

Answer 1

Объяснение:

4K+O2=2K2O

2Ca+O2=2CaO

4P+5O2=2P2O5

Answer 2

It seems like you've provided a sequence of chemical reactions involving elements and compounds. However, the format you've used is a bit unclear, and it appears there might be some typographical errors or missing information. I'll do my best to interpret what you've provided:

1. K + O2 → K2O This equation represents the reaction of potassium (K) with oxygen (O2) to form potassium oxide (K2O).

2. K2O + Ca + O2 → CaO + K2O In this reaction, potassium oxide (K2O) reacts with calcium (Ca) and oxygen (O2) to form calcium oxide (CaO) and potassium oxide (K2O).

3. CaO + P + O2 → CaO + P2O5 This equation shows the reaction between calcium oxide (CaO), phosphorus (P), and oxygen (O2) to produce calcium oxide (CaO) and phosphorus pentoxide (P2O5).

Please note that in the second and third equations, it appears that the potassium oxide (K2O) remains unchanged in the reaction. Also, the second and third equations seem to have the same product on the left and right sides (CaO), which suggests there might be a typographical error or missing information in your provided reactions. Chemical reactions typically involve changes in the arrangement of atoms and the formation of new compounds.

If you have a specific question or if there are additional details you'd like to provide, please feel free to ask, and I'll do my best to assist you.