Identify the balanced double displacement reaction. CuCl2 + Fe ⟶ 2Cu + FeCI2 PbCl4 + 2Ca(OH)2 ⟶ 2CaCl2 + Pb(OH)4 CuCl2 + Fe ⟶ Cu + FeCI2 PbCl4 + 2Ca(OH)2 ⟶ 2CaCl2 + 4Pb(OH)

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point