(a) Use the following data to calculate the enthalpy of hydration for calcium chloride and calcium iodide. Lattice Energy* -2247 kJ/mol AH soln -46 kJ/mol -104 kJ/mol -2059 kJ/mol CaCl₂(s) Cal₂(s) *Lattice energy is defined as the energy change for the process M*(g) + X¯(g) → MX(s). calcium chloride kJ/mol kJ/mol calcium iodide (b) Based on your answers to part (a), which ion, CI or I, is more strongly attracted to water? O chloride O iodide Explain. The enthalpy of hydration for CaCl, is ---Select--- exothermic than for Cal,. Any differences must be due to differences in hydrations between CI and I.
(a) Use the following data to calculate the enthalpy of hydration for calcium chloride and calcium iodide. Lattice Energy* -2247 kJ/mol AH soln -46 kJ/mol -104 kJ/mol -2059 kJ/mol CaCl₂(s) Cal₂(s) *Lattice energy is defined as the energy change for the process M*(g) + X¯(g) → MX(s). calcium chloride kJ/mol kJ/mol calcium iodide (b) Based on your answers to part (a), which ion, CI or I, is more strongly attracted to water? O chloride O iodide Explain. The enthalpy of hydration for CaCl, is ---Select--- exothermic than for Cal,. Any differences must be due to differences in hydrations between CI and I.
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Chapter1: Chemical Foundations
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Transcribed Image Text:(a) Use the following data to calculate the enthalpy of hydration for calcium chloride and calcium iodide.
CaCl₂(s)
Cal₂(s)
Lattice Energy
-2247 kJ/mol
-2059 kJ/mol
*
AH soln
-46 kJ/mol
-104 kJ/mol
*Lattice energy is defined as the energy change for the process M*(g) + X¯(g) → MX(s).
calcium chloride
kJ/mol
kJ/mol
calcium iodide
(b) Based on your answers to part (a), which ion, CI or I, is more strongly attracted to water?
chloride
iodide
Explain.
The enthalpy of hydration for CaCl₂ is |---Select--- exothermic than for Cal₂. Any differences must be due to differences in hydrations between CI and I¯.
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