The chemistry part

The chemistry part dim ide + ' 2Ae(s)

The solution is as follows:

Answer 1:

(a) C(s) + O₂(g) $\to$CO₂(g)

(b) H₂(g) + Cl₂(g) $\to$ 2 HCl(g)

(c) BaCl_​2(aq) + Na₂SO₄(aq) $\to$ BaSO₄(s) + 2 NaCl(aq)

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