Question

Na → Na20 → NaOH → Na2SO4> BaSO4 Хелп

Answer 1

Объяснение:

4Na+O2 → 2Na2O

Na2О+H2O → 2NaOH

Na2SO4+BaCl2 → BaSO4+2NaCl

2NaOH+H2SO4 → Na2SO4+2H2O

Answer 2

Ответ:

Nа+О2=Nа20,Nа2O+H2O=NаOH+O2,NаOH+H2SO4=Nа2SO4+H2O,Nа2SO4+BаHL=BаSO4+NаHL

Answer 3

It looks like you're describing a chemical reaction or a series of chemical reactions involving sodium (Na), sodium peroxide (Na2O2), sodium hydroxide (NaOH), and sodium sulfate (Na2SO4) leading to barium sulfate (BaSO4). Let's break down the reaction steps and provide some assistance:

1. Na (Sodium) → Na2O2 (Sodium Peroxide): Sodium (Na) reacts with oxygen (O2) to form sodium peroxide (Na2O2).

   $4 \text{ Na} + \text{O}_2 \rightarrow 2 \text{ Na}_2\text{O}_2$

2. Na2O2 (Sodium Peroxide) → NaOH (Sodium Hydroxide): Sodium peroxide (Na2O2) reacts with water (H2O) to form sodium hydroxide (NaOH).

   $\text{Na}_2\text{O}_2 + 2 \text{ H}_2\text{O} \rightarrow 2 \text{ NaOH}$

3. NaOH (Sodium Hydroxide) → Na2SO4 (Sodium Sulfate): Sodium hydroxide (NaOH) reacts with sulfuric acid (H2SO4) to form sodium sulfate (Na2SO4).

   $2 \text{ NaOH} + \text{H}_2\text{SO}_4 \rightarrow \text{Na}_2\text{SO}_4 + 2 \text{ H}_2\text{O}$

4. Na2SO4 (Sodium Sulfate) → BaSO4 (Barium Sulfate): Sodium sulfate (Na2SO4) reacts with barium chloride (BaCl2) to form barium sulfate (BaSO4).

   $\text{Na}_2\text{SO}_4 + \text{BaCl}_2 \rightarrow \text{BaSO}_4 + 2 \text{ NaCl}$

If you have a specific question or need further clarification, please feel free to ask!