MCQ
The internal energy of a substance
- ✓Increases with increase in temperature
- BDecreases with increase in temperature
- CCan be calculated by the relation $E = m{c^2}$
- DRemains unaffected with change in temperature
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Calculate the resonance energy of anthracene.......$kcal/mol$
$P$ can be

[Atomic Masses - $\mathrm{Na}: 23.0\, \mathrm{u}, \mathrm{O}: 16.0\, \mathrm{u}, \mathrm{P}: 31.0 \,\mathrm{u}]$
$(ii)\, F_{(g)} + e^- \to F^-_{(g)}, \Delta H_2$
$(iii)\, Cl_{(g)} + e^- \to Cl_{(g)}, \Delta H_3$
$(iv)\, O_{(g)}^- + e^- \to O_{(g)}^{2-} , \Delta H_4$
That according to given information the incorrect statement is