Examlex
Given:
4AlCl3(s) + 3O2(g) → 2Al2O3(s) + 6Cl2(g) ; ΔH = -529.0 kJ
Determine ΔH for the following thermochemical equation.
Cl2(g) + Al2O3(s) →
AlCl3(s) +
O2(g)
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The number of times a particular data point appears in a set of data.
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