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OpenStudy (anonymous):
The following information is given for n-pentane at 1 atm: Boiling point =36.20 C melting point=-129.7 C specific heat gas=1.650 J/g C specific heat liquid =2.280 J/g C delta H vap (36.20 c) =357.6 J/g delta H fus (-129.7 C)=116.7 J/g A 26.10-g sample liquid n-pentane is initially at -51.40 C. If the sample is heated at constant pressure (P-1atm), how many kJ of energy are needed to rise the temperature of the sample to 65.30 C?
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