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It expands as a result of the decrease in pressure. In that respect it's isothermal, but it's also cooling for the same reason.
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As air rises and expands does it undergo advective cooling?
No. It undergoes convective cooling, rising and losing heat to the surrounding air.
When body temp rises blood vessels in the skin do what?
When body temperature rises, blood vessels in the skin dilate. This expansion allows heat to be released from the superficial vessels of the skin.
What is a parcel in relation meteorology?
A parcel refers to a parcel of air that is used to conceptualize certain processes in the atmosphere. It is useful to use a discrete unit like a "parcel" of air when learning certain processes, such as adiabatic processes when air rises and sinks. The is because you want to know how some unit of unadulterated air will behave when you raise or lower it in the atmosphere and change the pressure applied to it, for example, whereas air in the "environment" is free to mix, which complicates things.
Why does warm moist air form clouds when it rises-?
Warm air expands and cools as it rises; the temperature decreases below dew point, so the water vapour changes phase from gas to liquid
Does magma produce new material when it rises from an ocean ridge?
Yes, when magma rises from an ocean ridge, it can produce new material through a process called seafloor spreading. As the magma reaches the surface, it cools and solidifies, forming new oceanic crust. This process contributes to the continuous expansion of the seafloor and the formation of new crustal material.
Why an adiabatic curve steeper than an iosthermal?
In isothermal the temperature is constant whereas in adiabatic the temperature falls or rises rapidly.Consider the case for expansion where in adiabatic the temperature drops. If you consider PV/T=constant then for same pressure we can show that as temp decreases the volume also decreases. During expansion for isothermal the temp does not change so volume is higher than adiabatic. Example: Isothermal P=8 Pa, V=x , T=2K Adiabatic P=8 Pa, V=y, T=1K (as it drops) Using PV/T=constant we can find that y is less than x.
How air get cooled?
Warm air rises....and when it rises it becomes cooler. ...If the pressure of surrounding air is reduced then the rising air parcel will expand. The molecules are doing work as they expand . This will affect the parcel's temperature.
What is an increase in the size of a substance in response to an increase in the substance's temperature?
boyles law describes how when temperature rises the volume rises
What happens to relative humidity as a parcel or air rises?
The relative humidity drops. This is because the temperature for the parcel of air is cold and wet which leaves enough room for some water vapor, but not a lot.
As a mass of air rises in the troposphere its temperature will usually?
decrease due to expansion
What happens when liquid in a thermometer undergoes thermal expansion?
The liquid rises, indicating a temperature.
How does thermal expansion make a hot air balloon rise?
It rises because when thermal engery is in the balloon it makes an expansion that makes the balloon fly
How does thermal expansion make a hot-air balloon rise?
It rises because when thermal engery is in the balloon it makes an expansion that makes the balloon fly
Why a tightly fitting metal cap is opened by heating it slightly?
The metal cap has a high expansion coefficient when temperature rises. As it expands and the grip loosens.
As air rises and expands does it undergo advective cooling?
No. It undergoes convective cooling, rising and losing heat to the surrounding air.
How can convergence lead to the form of clouds?
the parcel of the air rises high emough , it will eventually cool to its dew point . the process of condensation begins . from this point on as the air rises , laten heat of condensat5ion stored in the water vapor will be released :)
When the temperature of rocks rises above its melting point?
If the temperature of rock rises above the melting point, it will melt into liquid. Theoretically, though not realistically, the rock could undergo a phase change and vaporize.
