Calculate the heat energy released when 18.1 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) melting point 234.32 K enthalpy of fusion 2.29 kJ/mol
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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![**Problem Statement:**
Calculate the heat energy released when 18.1 g of liquid mercury at 25.00 °C is converted to solid mercury at its melting point.
**Constants for Mercury at 1 atm:**
- Heat capacity of Hg(l): 28.0 J/(mol·K)
- Melting point: 234.32 K
- Enthalpy of fusion: 2.29 kJ/mol
**Equation:**
\[ q_p = \] (Answer in kJ)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc6ae9165-8c64-40e9-9a68-65bc31ca98b7%2Fecde3179-44f2-4293-a00d-4e9571e12481%2Ftgvqkp6_processed.png&w=3840&q=75)
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