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Calculate the lattice energy for CaH2 (in kilojoules per mole) using the following information: Eea for H = -72.8 kj / mol Ei1 for Ca = +589.

Calculate the lattice energy for CaH2 (in kilojoules per mole) using the following information:
Eea for H = -72.8 kj / mol
Ei1 for Ca = +589.8 kj / mol
Ei2 for Ca = +1145 kj / mol
Heat of sublimation for Ca = +178.2 kj / mol
Bond dissociation energy for H2 = +435.9 kj / mol
Net energy change for the formation of CaH2 from its elements = -186.2 kj / mol
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Calculate the lattice energy for CaH2 (in kilojoules per mole) using the
following information:
Eea for H = -72.8 kj / mol
Ei1 for Ca = +589.8 kj / mol
Ei2 for Ca = +1145 kj / mol
Heat of sublimation for Ca = +178.2 kj / mol
Bond dissociation energy for H2 = +435.9 kj / mol
Net energy change for the formation of CaH2 from its
elements = -186.2 kj / mol

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