A pressure cooker (a kitchen appliance) is a pot on which the top seals tightly, allowing pressure to build up inside. You put water in the pot and heat it to boiling. At the higher pressure, water boils at a higher temperature and this allows food to cook at a faster rate. Most pressure cookers have a setting of 15 psi, which means that the pressure in the pot is 15 psi above atmospheric pressure (1 atm = 14.70 psi). Use the Clausius-Clapeyron equation to calculate the temperature at which water boils in the pressure cooker. Enthalpy of water vaporization is 40.7 kJ/mol. Temperature= °C Submit Answer Try Another Version 10 item attempts remaining Compare the boiling points of the various isomeric hydrocarbons shown in the table below. Notice the relationship between boiling point and structure; branched-chain hydrocarbons have lower boiling points than the unbranched isomer. Speculate on possible reasons for this trend. Why might the intermolecular forces be slightly different in these compounds? Compound Boiling Point (°C) Heptane 98.4 3-Ethylpentane 93.5 3-Methylhexane 92.0 2-Methylhexane 90.0 2,2,3- 81.7 Trimethylbutane The more branched structure has smaller exposed surface and hence stronger dispersion intermolecular forces. The more branched structure has smaller exposed surface and hence weaker dispersion intermolecular forces. The more branched structure has larger exposed surface and hence stronger dispersion intermolecular forces. The more branched structure has larger exposed surface and hence weaker dispersion intermolecular forces. Submit Answer Try Another Version 10 item attempts remaining