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Ch.5 - Thermochemistry
Brown - Chemistry: The Central Science 15th Edition
Brown15th EditionChemistry: The Central ScienceISBN: 9780137542970당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Brown 15th EditionCh.5 - Thermochemistry문제 54c
5장, 문제 54c

Consider the data about gold metal in Exercise 5.24(b). c. What is the molar heat capacity of Au(s)?

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1
Identify the given data from Exercise 5.24(b) related to gold (Au), such as its specific heat capacity and molar mass.
Recall the formula for molar heat capacity: \( C_m = c \times M \), where \( c \) is the specific heat capacity and \( M \) is the molar mass.
Substitute the specific heat capacity of gold into the formula. The specific heat capacity is typically given in units of \( \text{J/g} \cdot \text{°C} \).
Substitute the molar mass of gold into the formula. The molar mass of gold is approximately 197 g/mol.
Multiply the specific heat capacity by the molar mass to find the molar heat capacity of gold in units of \( \text{J/mol} \cdot \text{°C} \).

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주요 개념

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Molar Heat Capacity

Molar heat capacity is the amount of heat required to raise the temperature of one mole of a substance by one degree Celsius (or one Kelvin). It is an important property that reflects how a substance absorbs and retains heat, influencing its thermal behavior. For solids like gold, this value can vary based on temperature and phase.
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Heat Capacity

Specific Heat Capacity

Specific heat capacity is the heat required to raise the temperature of one gram of a substance by one degree Celsius. While molar heat capacity is expressed per mole, specific heat is often used for practical calculations involving smaller quantities. The relationship between the two can be established through the molar mass of the substance.
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가이드 코스
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Heat Capacity

Thermodynamic Properties of Metals

The thermodynamic properties of metals, including heat capacity, are influenced by their atomic structure and bonding. Metals typically have high thermal conductivity and specific heat capacities, which affect how they respond to heat. Understanding these properties is essential for applications in materials science and engineering, particularly in processes involving temperature changes.
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Metal Properties
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