Calculate the heat energy released when 16.7 g of liquid mercury at 25.00 °C is converted to solid mercury at its melting point. Constants for mercury at 1 atm kJ heat capacity of Hg(l) 28.0 J/(mol·K) 9p melting point 234.32 K enthalpy of fusion 2.29 kJ/mol
Calculate the heat energy released when 16.7 g of liquid mercury at 25.00 °C is converted to solid mercury at its melting point. Constants for mercury at 1 atm kJ heat capacity of Hg(l) 28.0 J/(mol·K) 9p melting point 234.32 K enthalpy of fusion 2.29 kJ/mol
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Calculate the heat energy released when 16.7 g of liquid mercury at 25.00 °C is converted to solid mercury at its melting point.
Constants for mercury at 1 atm
kJ
heat capacity of Hg(1)
28.0 J/(mol·K)
Ip =
melting point
234.32 K
enthalpy of fusion
2.29 kJ/mol
Expert Solution
Step 1
Temperature = 25°C or (25 + 273.15 )K
= 298.15K
Mass of mercury = 16.7 g
Melting point of Mercury = 234.32K
Specific heat capacity of mercury,c = 28.0 J/mol.K
Enthalpy of fusion for Mercury = 2.29kJ/mol
Molar mass of mercury = 200.59g/mol
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