Question

P+O2= C2H2+O2= Ca+O2=

Answer 1

Відповідь:

1)4P+5O2=2P2O5

2)2C2H2+5O2=4CO2+2H2O

3)2Ca+O2=2CaO

Пояснення:

Все понятно?

Answer 2

The chemical equations you provided are:

1. P + O2 -> ?
2. C2H2 + O2 -> ?
3. Ca + O2 -> ?

To balance these equations and determine the products, we need more information about the reactants or the specific reaction conditions. Please provide additional details or context so that I can assist you further.