5 Questions
Explain the relationship between specific heat capacity and the rate of temperature change in water and dry soil.
The specific heat capacity of water is 4200 J/kg K, while that of dry soil is about 810 J/kg K. As a result, the temperature of soil would increase five times more than the same mass of water by the same amount of heat.
How does the specific heat capacity of water contribute to temperature stability near the sea compared to land far away from the sea?
Water's large specific heat capacity results in smaller temperature variations from summer to winter near the sea, as water is able to store and carry thermal energy more effectively than land.
What role does water play in the cooling system of automobiles?
Water is used to carry away unwanted thermal energy produced by the engine, preventing overheating. It absorbs the engine's heat and dissipates it through the radiator, maintaining the engine's temperature.
Explain how water is utilized in central heating systems.
Hot water is used to carry thermal energy through pipes from the boiler to radiators fixed inside the house, providing heat to the indoor environment.
Why is water considered useful in storing and carrying thermal energy?
Water's high specific heat capacity makes it effective in storing and carrying thermal energy, making it useful in various applications such as the cooling systems of automobiles and central heating systems.
Test your knowledge on specific heat capacity and temperature variations with this quiz. Learn how the specific heat capacities of water and dry soil affect the temperature differences between land and sea.
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