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A red-hot iron kilogram mass is put into 1 L of cool water. Is the increase in the water temperature equal to the decrease in the iron's temperature?
Wiki User
∙ 13y ago
Dump the same energy into both and the iron will experience the greater temperature change. Nothing else has as high a heat capacity as water. The amount of heat required to heat a kilogram of a substance through one Kelvin (same as a degree celsius or centigrade) is called its specific heat capacity. The specific heat capacity of water is a big 4.18 kilo joules per kg per degree centigrade but iron only requires 0.45 kilo joules to heat it through the same 1 centigrade. So for any given amount of heat, the IRON will move through the greatest temperature range, rather the than the water. Water is actually therefore quite a good insulator; trapping a layer next to the skin in a wet suit is a good way of keeping warm! Hope this helps.
Wiki User
∙ 15y ago
Wiki User
∙ 13y agoNo. You will have to consider the mass of the objects involved (iron, and water), and also their heat capacities.
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