Question

Na ⇒NaOH⇒Na₂SO₄⇒BaSO₄⇒ВаО⇒Ba(OH)₂⇒Ba(NO₃)₂

Answer 1

2Na + 2H2O = 2NaOH + H2

2NaOH + H2SO4 = Na2SO4 + 2H2O

Na2SO4 + BaCl2 = BaSO4 + 2NaCl

BaSO4  -> BaO + SO3

BaO + H2O = Ba(OH)2

Ba(OH)2 + 2HNO3 = Ba(NO3)2 + 2H2O

Answer 2

It seems like you've listed a series of chemical reactions involving various compounds and elements. Let's break down each step:

1. Na ⇒ NaOH: This is the reaction of sodium (Na) with water (H₂O) to form sodium hydroxide (NaOH) and hydrogen gas (H₂).

2. NaOH ⇒ Na₂SO₄: This step is not a direct reaction between sodium hydroxide and sodium sulfate. You might be missing some intermediate steps or information here.

3. Na₂SO₄ ⇒ BaSO₄: This appears to be a precipitation reaction where sodium sulfate (Na₂SO₄) reacts with a barium (Ba) compound to form barium sulfate (BaSO₄), which is insoluble and precipitates out of the solution.

4. BaSO₄ ⇒ BaO: This step is not a typical chemical reaction. Converting barium sulfate (BaSO₄) to barium oxide (BaO) usually requires more complex processes, such as high-temperature calcination.

5. BaO ⇒ Ba(OH)₂: Barium oxide (BaO) reacts with water (H₂O) to form barium hydroxide (Ba(OH)₂).

6. Ba(OH)₂ ⇒ Ba(NO₃)₂: Barium hydroxide (Ba(OH)₂) can react with nitric acid (HNO₃) to form barium nitrate (Ba(NO₃)₂).

Please note that these reactions are somewhat simplified, and the conditions and specific reactants might vary in practice. Additionally, some of the steps seem unusual or incomplete, so it's essential to double-check the information and context to ensure accuracy.