Fundamental Facts and Concepts
Experience teaches us, that under given external conditions a material is in a certain state. This state is defined by certain properties. At 200 K the compound H2O is solid, at 300 K liquid and at 400 K gaseous. Properties, which are characteristic for a state of a material, are called intensive properties. Among them is the molar volume. As one can see from Fig. 1.1, the molar volume of water is different at 200, 300 and 400 K.
KeywordsFurnace Enthalpy Steam Rubber Boiling
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