Which of the following has the highest specific heat value?
Water has the highest specific heat value among the options provided. Its specific heat capacity is approximately 4.18 J/g °C, significantly higher than that of glass, copper, or lead. This property makes water an excellent substance for storing and regulating heat.
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The correct answer is [D] Water. Water has the highest specific heat value among the options provided. Specific heat is the amount of heat required to raise the temperature of one unit mass of a substance by one degree Celsius. Water has a specific heat capacity of approximately 4.18 J/g°C, which is significantly higher than that of glass, copper, or lead. This high specific heat capacity of water is due to its hydrogen bonding and molecular structure, which allows water to absorb and retain heat energy effectively. As a result, water can absorb a large amount of heat without undergoing a significant increase in temperature, making it crucial for regulating temperature in various natural and industrial processes, such as climate moderation, cooking, and thermal energy storage.