Question

1. Using the boxes below, balance the following chemical equations and fill in the blanks with the coefficient and the tables .

a) _____ Al(s) + _____ Cl₂(g) $\rightarrow$ _____ AlCl₃(s)

Reactants	Products
Al	Al
Cl	Cl

b) ___ Cr₂O₃(s) + _____ CCl₄(l) $\rightarrow$ ____ CrCl₃(s) + _____ COCl₂(g)

Reactants	Products
Cr	Cr
O	O
C	C
Cl	Cl

C ) _____ NO₂(g) + ­­­­­_____ H₂(g) $\rightarrow$ ____ NH₃(g) + _____ H₂O(g)

Reactants	Products

2. Continue working on balancing chemical equations without the help of the boxes:

1. Mg(s) + AgNO₃(aq) $\rightarrow$ Ag(s) + Mg(NO₃)₂(aq)
2. CuCO₃(s)$\rightarrow$ CuO(s) + CO₂(g)
3. Al(s) + CuSO₄(aq) $\rightarrow$ Cu(s) + Al₂(SO₄)₃(aq)
4. Pb(NO₃)₂(aq) + NaCl(aq) $\rightarrow$ PbCl₂(s) + NaNO₃(aq)

Answer 1

all species given with coefficients .