Question

Na → Na₂O → NaOH → Na₂S → H₂S.​

Answer 1

Ответ:

NA+O2-NA2O

NA2O+H2O-2NAOH

2NAOH+H2S- NA2S+H2O

NA2S+H2O-NA2O+H2S( газ стрелка вверх)

Answer 2

The sequence you provided represents a series of chemical reactions involving sodium (Na) and sulfur (S) to produce different compounds. Let's go through each step:

1. Na → Na₂O: This reaction represents the combination of sodium (Na) with oxygen (O) to form sodium oxide (Na₂O).

2. Na₂O → NaOH: Sodium oxide (Na₂O) reacts with water (H₂O) to produce sodium hydroxide (NaOH), also known as caustic soda.

3. NaOH → Na₂S: Sodium hydroxide (NaOH) reacts with sulfur (S) to yield sodium sulfide (Na₂S).

4. Na₂S → H₂S: Sodium sulfide (Na₂S) reacts with an acid (such as hydrochloric acid, HCl) to form hydrogen sulfide (H₂S).

Overall, the given sequence represents a series of chemical transformations involving sodium and sulfur, leading to the production of sodium oxide (Na₂O), sodium hydroxide (NaOH), sodium sulfide (Na₂S), and finally, hydrogen sulfide (H₂S).