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3. Consider a parcel at 600h Pa and -20°C. a. What is the parcel's potential temperature?...
Consider a dry air parcel at –12oC and 450 mb that descends adiabatically down to the...
Consider a dry air parcel at –12oC and 450 mb that descends adiabatically down to the surface where p = 1000 mb. Calculate: (a) The parcel’s air temperature at the surface, and (b) the potential temperature at the surface.
An air parcel that has a temperature of 20 C and a dewpoint of 10 C...
An air parcel that has a temperature of 20 C and a dewpoint of 10 C at sea-level is forced to rise over a mountain that is 3 km high. Given the the appropriate MOIST ADIABATIC LAPSE rate is 5C/km, what would the temperature (in Celsius) of the air parcel be when it reaches the top of the mountain
Given this information, what is the temperature of the parcel at the surface?
Being the leader of Earth can be boring at times. Because of this, I like to, from time to time, have a probe bring air from aloft down to the surface adiabatically. So let’s say I send a probe into the Stratosphere, and it collects a parcel of air at 155 mb. Further, let’s assume that the average air temperature where my probe is at 165 mb is 55 degrees C. The probe returns this air parcel to the surface...
Weather question. 4). Consider the mountain below. An air parcel at the western base of the...
Weather question.
4). Consider the mountain below. An air parcel at the western base of the mountain has a temperature of 22 C and a dewpoint of 17 C. As the air ascends and descends, it will either cool (or warm in the case of descent) at the dry adiabatic lapse rate of -10 C/km, or at the moist adiabatic lapse rate of -6 C/km. Remember, the equation for the lapse rate is SudT/dz. (T -Tita)/(z.-Z.). Answer the following questions....
Consider air in a cylinder, initially at temperature 20°C. Assume 5 degrees of freedom (per molecule)...
Consider air in a cylinder, initially at temperature 20°C. Assume 5 degrees of freedom (per molecule) (a) Suppose the air is compressed adiabatically such that its volume decreases by a factor of 15, what is the final temperature attained? (b) By what factor does the pressure increase?
Exercise 4 In the ideal vapour-compression refrigerator using refrigerant 134a, the evaporator temperature is -20 C,...
Exercise 4 In the ideal vapour-compression refrigerator using refrigerant 134a, the evaporator temperature is -20 C, and the inlet temperatu enters the compressor. Calculate: re to the condenser is 30°C. Saturated vapour a. The work of the compressor b. The heat transfer from the condenser c. The heat transfer to the evaporator d. The coefficient of performance
(a) After the parcel of air has descended down the lee side of the mountain to sea level, what is the temperature of the parcel
2. (a) After the parcel of air has descended down the lee side of the mountain to sea level, what is the temperature of the parcel? (b) Why is the parcel now warmer than it was at sea level on the windward side (what is the source of the heat energy)? 3. (a) On the windward side of the mountain, is the relative humidity of the parcel increasing or decreasing as it rises from sea level to 3000 meters? (b)...
A monatomic ideal gas is initially at volume, pressure, temperature (Vi, Pi, Ti). Consider two different...
A monatomic ideal gas is initially at volume, pressure, temperature (Vi, Pi, Ti). Consider two different paths for expansion. Path 1: The gas expands quasistatically and isothermally to (Va, Pz. T2) Path 2: First the gas expands quasistatically and adiabatically (V2, P.,T-),where you will calculate P T. Then the gas is heated quasistically at constant volume to (Va. P2 T1). a. Sketch both paths on a P-V diagram. b. Calculate the entropy change of the system along all three segments...
For the following reaction, at 25 °C (room temperature), what is the entropy change of the...
For the following reaction, at 25 °C (room temperature), what is the entropy change of the system? H2O(l) → H2O(s). A) ΔSsys < 0 B) ΔSsys > 0 C) ΔSsys = 0 ----------------------------------------------------------------------------------------------------------------------------- For the following reaction, at 25 °C (room temperature), what is the entropy change of the surroundings? H2O(l) → H2O(s) A) ΔSsurr < 0 B) ΔSsurr = 0 C) ΔSsurr > 0 ---------------------------------------------------------------------------------------------------------- For the following reaction, at 25 °C (room temperature), what is the entropy change...
3. Consider the entropy as a function of temperature and pressure. Derive an expression for the change in entropy in te...
3. Consider the entropy as a function of temperature and pressure. Derive an expression for the change in entropy in terms of parameters such as Cp, a, K, T, and V.
Weather question.
4). Consider the mountain below. An air parcel at the western base of the mountain has a temperature of 22 C and a dewpoint of 17 C. As the air ascends and descends, it will either cool (or warm in the case of descent) at the dry adiabatic lapse rate of -10 C/km, or at the moist adiabatic lapse rate of -6 C/km. Remember, the equation for the lapse rate is SudT/dz. (T -Tita)/(z.-Z.). Answer the following questions....
Consider air in a cylinder, initially at temperature 20°C. Assume 5 degrees of freedom (per molecule) (a) Suppose the air is compressed adiabatically such that its volume decreases by a factor of 15, what is the final temperature attained? (b) By what factor does the pressure increase?
Exercise 4 In the ideal vapour-compression refrigerator using refrigerant 134a, the evaporator temperature is -20 C, and the inlet temperatu enters the compressor. Calculate: re to the condenser is 30°C. Saturated vapour a. The work of the compressor b. The heat transfer from the condenser c. The heat transfer to the evaporator d. The coefficient of performance
A monatomic ideal gas is initially at volume, pressure, temperature (Vi, Pi, Ti). Consider two different paths for expansion. Path 1: The gas expands quasistatically and isothermally to (Va, Pz. T2) Path 2: First the gas expands quasistatically and adiabatically (V2, P.,T-),where you will calculate P T. Then the gas is heated quasistically at constant volume to (Va. P2 T1). a. Sketch both paths on a P-V diagram. b. Calculate the entropy change of the system along all three segments...
3. Consider the entropy as a function of temperature and pressure. Derive an expression for the change in entropy in terms of parameters such as Cp, a, K, T, and V.
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