When \( 0.40 \mathrm{~mol} \) of oxygen \( \left(\mathrm{O}_{2}\right) \) gas is heated at const...

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When \( 0.40 \mathrm{~mol} \) of oxygen \( \left(\mathrm{O}_{2}\right) \) gas is heated at constant pressure starting at \( 0^{\circ} \mathrm{C} \), how much energy must be added to the gas as heat to triple its volume? (The molecules rotate but do not oscillate.)
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