Lifting Condensation Level
Clouds begin to form when water vapor reaches the correct: altitude, dew point, and temperature.
when the temperature reaches the dew point.
when the temperature reaches the dew point.
An approximate value can be calculated by the following expression: Condensation Level (in feet) = [Surface Temperature(F) - Surface Dew Point Temperature(F)]*(1000/2.2) or Condensation Level (in meters) = [Surface Temperature(C) - Surface Dew Point Temperature(C)]*(200) Solution: Dry Adiabatic Lapse Rate (DALR) => -5.5 F/1000 ft of altitude (-1C/100m) Saturated Adiabatic Lapse Rate (SALR) => -3.3F/1000ft of altitude (-0.5C/100m) The SALR is not linear and varies with the initial surface temperature The Level of Condensation will occur at the altitude where the Air Temperature is equal to the Dew Point temperature at that altitude. Setting the two equations equal to each other will give an approximate value. TA: temperature at altitude; TS: temperature at surface; DA: dew point temperature at altitude; DS: dew point temperature at surface TA = TS-(5.5F/1000ft)*altitude or TS-(1C/100m)*altitude DA = DS-(3.3F/1000ft)*altitude or DS-(0.5C/100m)*altitude Setting TA = DA and rearranging quantities gives the equations given above The level of condensation derived by the above method will only yield an approximate value.
In can occur if the reaction in question in exothermic. After the stoichiometric point , there is no reactant left to react. No reaction occurs and no heat is evolved and as a result temperature drops.
Lifting Condensation Level
At a high altitude, water reaches its boiling point at a lower temperature because of a lower air pressure holding it in its liquid form.
Clouds begin to form when water vapor reaches the correct: altitude, dew point, and temperature.
when the temperature reaches the dew point.
When water is heated, the temperature increases until the boiling point. During the transition from liquid water to gaseous water (steam), the temperature does not change, and the the temperature rises again.
dew point
When the temperature reaches the correct temperature (boiling point).
The boiling point temperature is lower at low pressure (altitude).
Dew point
condense
yes
when the temperature of the rising air falls below the dew point