Glycerol, C3H2O3, has the following properties: molar mass = 92.09 g/mol melting point = 17.0°C boiling...
The following information is given for lead at latm: AH yap(1740 °C) -178 kJ/mol AH fus(328 °C) = 4.77 kJ/mol boiling point = 1740 °C melting point = 328 °C specific heat solid= 0.130 J/gºC specific heat liquid = 0.138 J/gºC What is AH in kJ for the process of freezing a 26.3 g sample of liquid lead at its normal melting point of 328 °C. The following information is given for silver at latm: AHvap(2212 °C) = 254 kJ/mol...
Consider the data in the table. Compound Melting point (°C) Δ H fus (kJ/mol) Boiling point (°C) Δ H vap (kJ/mol) HF −83.11 4.577 19.54 25.18 HCl −114.3 1.991 −84.9 17.53 HBr −86.96 2.406 −67.0 19.27 HI −50.91 2.871 −35.38 21.16 Using the data in the table, calculate Δ S fus and Δ S vap for HBr . Δ S fus = J / ( K ⋅ mol) Δ S v a p = J / ( K ⋅ mol)...
OLLILEI UM ALLI LUUIU. Compound Melting point (°C) A Hus (kJ/mol) Boiling point (°C) AHvap (kJ/mol) HF -83.11 4.577 19.54 25.18 HCI -114.3 1.991 -84.9 17.53 HBO -86.96 2.406 -67.0 19.27 HI -50.91 2.871 -35.38 21.16 Using the data in the table, calculate AS tus and ASvap for HCL. Astus = AS = J/(K.mol) ASvap = J/(K.mol) Determine the entropy change when 5.70 mol HCI) melts at atmospheric pressure. AS = | J/K
The following information is given for mercury at 1 atm: boiling point-357°C AHvap 0.296 kJ/g melting point--39 °C AHfus 11.6 J/g Heat is added to a sample of solid mercury at its normal melting point of -39 °C. How many grams of mercury will melt if 12.3 kJ of energy are added?
The following information is given for iron at 1atm: boiling point = 2750 °C deltaHvap(2750 °C) = 354 kJ/mol melting point = 1535 °C deltaHfus(1535 °C) = 16.2 kJ/mol specific heat solid= 0.452 J/g°C specific heat liquid = 0.824 J/g°C kJ are required to melt a 35.4 g sample of solid iron, Fe, at its normal melting point.
The following information is given for ether, C2H30C2H5, at 1 atm: boiling point = 34.6 °C AH ap(34.6 °C) = 26.5 kJ/mol melting point =-116 °C AH fus(-116 °C) = 7.27 kJ/mol specific heat liquid = 2.32 J/gºC At a pressure of 1 atm, kJ of heat are needed to vaporize a 35.6 g sample of liquid ether at its normal boiling point of 34.6 °C.
The following information is given for water at 1 atm: boiling point = 100.00 °C melting point = 0.000 °C specific heat gas = 2.010 J/gºC specific heat liquid = 4.184 J/gºC AHvap (100.00 °C) = 2.259x103 J/g AHfus (0.000 °C) = 333.5 J/g kJ of energy are needed to raise the A 26.80 g sample of liquid water is initially at 32.30 °C. If the sample is heated at constant pressure (P= 1 atm), temperature of the sample to...
Property Value Units Melting point 0 °C Boiling point 100.0 °C ΔHfus 6.01 kJ/mol ΔHvap 40.67 kJ/mol cp (s) 37.1 J/mol · °C cp (l) 75.3 J/mol · °C cp (g) 33.6 J/mol · °C Based on the thermodynamic properties provided for water, determine the energy change when the temperature of 0.750 kg of water decreased from 115 °C to 43.0 °C.
Using the provided data, calculate the amount of heat, in kJ, required to warm 22.3 g of solid acetone, initially at -110. °C, to gaseous acetone at 74. °C. acetone molar mass 58.0791 g/mol melting point -95. °C boiling point 56. °C ΔHfus 5.69 kJ/mol ΔHvap at bp 29.1 kJ/mol Cs, solid 1.6 J/g⋅°C Cs, liquid 2.16 J/g⋅°C Cs, gas 1.47 J/g⋅°C
Using the provided data, calculate the amount of heat, in kJ, required to warm 21.7 g of solid water, initially at -10. °C, to gaseous water at 112. °C. water molar mass 18.0153 g/mol melting point 0. °C boiling point 100. °C ΔHfus 6.02 kJ/mol ΔHvap at bp 40.7 kJ/mol Cs, solid 2.09 J/g⋅°C Cs, liquid 4.18 J/g⋅°C Cs, gas 1.87 J/g⋅°C 72.4 kJ 57.6 kJ 58.5 kJ 66.3 kJ 13.9 kJ