Problem: Energy diagram for the reaction 2 H2(g) + O2(g) → 2 H2O(l) is shown below.The internal energy for Mg(s) and Cl2(g) is greater than that of MgCl2(s). Sketch the energy diagram that represents the reaction MgCl2(s) → Mg(s) + Cl2(g).

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We are given the energy diagram for the reaction 2 H2(g) + O2(g) → 2 H2O(l):

We are then asked to sketch the energy diagram that represents the reaction MgCl2(s) → Mg(s) + Cl2(g)

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Problem Details

Energy diagram for the reaction 2 H2(g) + O2(g) → 2 H2O(l) is shown below.

The internal energy for Mg(s) and Cl2(g) is greater than that of MgCl2(s). Sketch the energy diagram that represents the reaction MgCl2(s) → Mg(s) + Cl2(g).