Multiple ChoiceCalculate entropy of vaporization of 8.4 g of acetic acid (CH3COOH) with a boiling point of 118 °C, ∆Hvap = 23.7 kJ/mol.233views4rank
Textbook QuestionThe normal boiling point of Br21l2 is 58.8 °C, and its molar enthalpy of vaporization is ΔHvap = 29.6 kJ>mol. (b) Calculate the value of ΔS when 1.00 mol of Br21l2 is vaporized at 58.8 °C.439views
Textbook QuestionThe element gallium (Ga) freezes at 29.8 °C, and its molar enthalpy of fusion is ΔHfus = 5.59 kJ>mol. (b) Calculate the value of ΔS when 60.0 g of Ga(l) solidifies at 29.8 °C.864views
Textbook QuestionCalculate the change in entropy that occurs in the system when 1.00 mole of diethyl ether (C4H10O) condenses from a gas to a liquid at its normal boiling point (34.6 °C). See Table 11.7 for heats of vaporization.2985views
Textbook QuestionNaphthalene, better known as 'mothballs,' has bp = 218 °C and ΔHvap = 43.3 k# J>mol. What is the entropy of vaporiza tion, ΔSvap in J>1K mol2 for naphthalene?730views
Textbook QuestionFor the vaporization of benzene, ∆Hvap = 30.7 kJ/mol and ∆Svap = 87.0 J/(K*mol). Does benzene boil at 70 °C and 1 atm pressure? Calculate the normal boiling point of benzene.900views
Textbook QuestionFor the vaporization of benzene, ∆Hvap = 30.7 kJ/mol and ∆Svap = 87.0 J/(K*mol). Calculate ∆Ssurr and ∆Stotal at: (a) 70 °C744views
Textbook QuestionFor the melting point of sodium chloride, ΔHfusion = 28.16 kJ/mol and ΔSfusion = 26.22 J/(K·mol). Does NaCl melt at 1100 K? Calculate the melting point of NaCl.1360views
Textbook QuestionChloroform has ΔHvaporization = 29.2 kJ>mol and boils at 61.2 °C. What is the value of ΔSvaporization for chloroform?761views
Textbook QuestionCalculate the change in entropy that occurs in the system when 1.00 mole of isopropyl alcohol (C3H8O) melts at its melting point (-89.5 °C). See Table 11.9 for heats of fusion.2692views1rank1comments