Learning Goal: To practice Problem-Solving Strategy 14.1 Thermal expansion What volume of air Vair will there be above the ethanol in the tank after the system has cooled off to the ground temperature? A metal tank with a capacity of 1700 L is completely filled with ethanol when both the tank and the ethanol are at temperature 19.0 °C. Then the tank and its contents are brought underground, where the temperature is 10.0 °C.What volume of air will there be above the ethanol in the tank after Express your answer in liters. • View Available Hint(s) Πνα ΑΣφ the system has cooled off to the ground temperature? The coefficient of volume expansion for ethanol is Be = 1.10x10-3 K1 . The tank is made of a metal for which the coefficient of linear Vair = L expansion is a = 1.20x10-5 K-1
Latent heat and phase change
A physical process in which a conversion among the basic states or phases of matter, i.e., solid, liquid, and gas takes place under the effect of a certain temperature and pressure is referred to as a phase change. Generally, the phase change of a substance occurs when heat transfer takes place between the substance and its surroundings. Based on the direction in which heat transfer takes place, different types of phase changes can occur.
Triple Point of Water
The branch of physics in which observer deals with temperature related properties is called thermodynamics.
Boiling Point of Water
Everyday examples of boiling is, boiling milk, heating water. One would have observed that when we heat water it goes through various stages and at one point bubbles show in water, and water keeps splashing with bubbles bursting, we in layman terms say that water is boiling.
Freezing Point of Water
In general, the freezing point of water is 0° Celsius, or 32° Fahrenheit. This is the temperature at which water will ordinarily change from its liquid state to its solid state (ice). However, there are certain conditions that can affect the freezing point of water. For example, a liquid may be supercooled or contain impurities so that it does not freeze at the ordinary freezing point.
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