Na₂CO₃(s) → 2Na⁺(aq) + CO₃²⁻(aq)
The sodium carbonate formed from a strong base and a weak acid. Hydrolysis is subjected to the anion of a weak acid.
CO₃²⁻ + H₂O ⇄ HCO₃⁻ + OH⁻
HCO₃⁻ + H₂O ⇄ H₂CO₃ + OH⁻
pH>7 alkaline solution
2Na⁺ + CO₃²⁻ + 2H₂O ⇄ 2Na⁺ + 2OH⁻ + H₂CO₃
A. Release energy
....................................
Clearly, moving the object closer<span> to the </span>lens<span> makes the image become both larger and further away. As you </span>move<span> the </span>object closer<span> and </span>closer<span> to the focal point, the image will become further and further away. ... As expected the image </span>moves<span> further away and becomes much bigger than the </span>object<span>.
</span>
Answer:
The noble gases have 8 valence electrons in their outermost electron shell. In other words, they have full out shells. These elements are highly stable.
Answer:
which one do you need help with?
