Question

Na+ O2 = S + O2 = C + O2 = Ca + O2 = Аl + O2 = N2 + O2=

Answer 1

1)2Na + O2–>2NaO
2)S+O2–>SO2
3)C+O2–>Co2
4)2Ca+O2–>2CaO
5)4Al+3O2–>2Al2O3
6)N2+2O2–>2NO2

Answer 2

It seems like you've listed a series of chemical equations involving different elements and their reactions with oxygen. However, some of the equations are not balanced or accurate. Let's go through them one by one:

1. Na + O2: This is a balanced equation for the reaction between sodium (Na) and oxygen (O2) to form sodium oxide (Na2O):

   4 Na + O2 -> 2 Na2O

2. S + O2: This is a balanced equation for the reaction between sulfur (S) and oxygen (O2) to form sulfur dioxide (SO2):

   S + 2 O2 -> SO2

3. C + O2: This is a balanced equation for the combustion of carbon (C) in oxygen (O2) to form carbon dioxide (CO2):

   C + O2 -> CO2

4. Ca + O2: This is a balanced equation for the reaction between calcium (Ca) and oxygen (O2) to form calcium oxide (CaO):

   2 Ca + O2 -> 2 CaO

5. Al + O2: This is a balanced equation for the reaction between aluminum (Al) and oxygen (O2) to form aluminum oxide (Al2O3):

   4 Al + 3 O2 -> 2 Al2O3

6. N2 + O2: This is a balanced equation for the reaction between nitrogen gas (N2) and oxygen (O2) to form nitrogen dioxide (NO2):

   2 N2 + 4 O2 -> 4 NO2

It seems like you have a mix of equations involving different elements and reactions. If you have any specific questions about these reactions or if you'd like to learn more about chemical equations and balancing them, feel free to ask!