A sample of ethanol is warmed at a steady rate. The heating curve for this sample is shown. Which statement about the heating curve is correct?
- AEthanol changes its physical state between 3 and 4.
- BEthanol condenses between 2 and 3.
- CEnergy is absorbed between 3 and 4 but not absorbed between 4 and 5.
- DMore energy is absorbed between 4 and 5 than between 2 and 3.