Magnesium metal is placed into the hydrobromic acid solution, forming hydrogen g

Question

Magnesium metal is placed into the hydrobromic acid solution, forming hydrogen gas and Aquarius magnesium bromide. Mg(g) _+ 2HBr rightarrow MgBr_2(aq) + H_2(g) When heated, acid calcium choric decomposes into calcium chloride sodium oxygen gas. Ca(CIO_3)_3(g) rightarrow CaCl_(aq) + 3O(g) Solution of barium bromide and sodium phosphate combine to term solid barium phosphate and aqueous solution bromide: 3 BaBrO_3(aq) + 2Na_3(PO_4)_3(aq) rightarrow Ba3(PO_4)_3(aq) + 6 NaBrO_3(aq) Solution of silver and aluminum iodide are mixed together, forming solid silver iodide and aqueous aluminum nitrate AgNNO_3(aq) + All_(aq) rightarrow 3Agl(g) + Al(NO_3)_3(aq)

Explanation / Answer

(a) Magnesium metal is placed into hydrobromic acid solution, forming hydrogen gas and aqueous magnesium bromide.

Mg (s) + 2HBr (aq) --- > MgBr2 (aq) + H2(g)

(b) When heated, solid calcium chlorate decomposes into calcium chloride solid, releasing oxygen gas.

Ca(ClO3 )2 (s) -----> CaCl2(s) + 3O2 (g)

(c) Solutions of barium bromide and sodium phosphate combine to form solid barium phosphate and aqueous sodium bromide.

3BaBr2 (aq) + 2 Na3PO4 (aq) -- --->Ba3(PO4) 2 (s) + 6NaBr (aq)

(d) Solutions of silver nitrate and aluminum iodide are mixed together, forming solid silver iodide and aqueous aluminum nitrate.

3AgNO3 (aq)+ Al I3 (aq)    -----> 3AgI (s) + Al(NO3)3 (aq)

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