Which change occurs at the anode in an operating electrochemical cell? 1.
gain of protons
2.
gain of electrons
3.
loss of protons
4.
loss of electrons
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loss of electrons

The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?