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A cloud bank moving across the ocean at an altitude of 2000m encounters a coastal mountain range. As it rises to a height of 3500m to pass over the mountains, it undergoes an adiabatic expansion. The pressure at 2000 and 3500m is 0.802 atm and 0.602 atm respectively. If the initial temperature of the cloud is 288 K, what is the cloud temperature as it passes over the mountains? (Do you expect rain or snow?) Assume Cp = 28.86 J/K/mol for air. Clearly state any assumptions.
it has been determined that the body can generate 5500 kj of energy during one hour of strenuous exercise. perspiration
Before investigating the scene, the technician must dilute the luminol solution to a concentration of 6.00×10^?2 M . The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are prese..
Carry out the correct operation on the following set of values. Give answers in correct units and in the correct number of significant digits.
What is the coordination number for each of the following complexes? A. [Co(NH3)4(H2O)2]^3+ B. [Cr(EDTA)]^-
Calculate the heats of reaction for the following unbalanced reactions. Then use Hess' law to find the heat of reaction for the overall process.
An external direct-current power supply is connected to two platinum electrodes immersed in a beaker containing 1.0 M CuSO4(aq) at 25°C, as shown in the diagram above
The boiling point of methanol (CH 3 OH) is 64.7 o C and delta H vap = 71.8 kJ/mol. What is delta S for the vaporization of 2.15 mol of CH 3 OH at 64.7 o C?
Determine the standard enthalpy change of the following explosive reaction by using the apprpriate enthalpies of formation
A 303- sample of unknown solution reacts completely with to form 14.1 . What was the concentration of the solution?
If 1.32g of al were reacted with an excess HCl, what amount of Hydrogen gas would be theoridocially be admitted at STP?
Diamonds are measured in carats where 1 carat= 0.200 g. The density of diamond is 3.51 g/cm^3. What is the volume of a 2.50-carat diamond
The mass of iron produced by the reaction of 7.00 kg of Fe2O3 and 3.00 kg of CO is 3.55 kg. What is the percent yield? (Atomic weights: Fe = 55.85, O = 16.00, C = 12.01)
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