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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 height of 3500m to pass over the mountains, it undergoes an adiabatic expansion. ( Air is a poor heat conductor.) The pressure at 2000 and 3500m is 0.802atm and 0.602atm, respectively. If the initial temperature of the cloud is 288K, what is the cloud temperature as it passes over the mountains? ( Do you expect rain or snow) Assume Cp= 28.86jk^-1 for air. Clearly state assumptions.
A container of gas with an adjustable volume has an initial pressure of p. The container volume is tripled at constant temperature. What is the pressure inside the container after the volume is increased
If the symbol X represents a central atom, Y represents outer atoms, and Z represents lone pairs on the central atom, the structure that could be abbreviated as XY2Z2.
How many grams of KOH must be added to 0.500 L of the buffer to change the pH by 0.10 units
Draw the structure of methyl red, and explain why it absorbs in the visible region of the spectrum. using resonance, explain why the acid form has a wavelength of max absorption at longer wavelength
Exited rubidium atoms emit a photon of light at 759 nm. What color is this light. Calculate the energy difference in kJ/mol of the tow orbitals that give rise to this emission.
he heat of vaporization of liquid water is 40.67 kJ/mol , and the molar heat capacity is 75.3 J/(K*mol) for the liquid and 33.6 J/(K*mol) for the vapor.
If the graph was a curved line what would this mean. and how would the results be affected if a mistake was made and your temperature was in celcius
A 355 ml container holds .146g of Ne and an unknown amount of Ar at 35 degrees C and a total pressure of 26 mmHg. Calculate the moles of Ar present
Consider hte boiling of a liquid such as water in a frictionless piston and cylinder device computer the work obtained from the psiton when 1 kg of liquid water is vaporized to steam at 100 degrees C
a boy wants to prepare a 250ml of a buffer that is ph4.50. beginning with 100ml of 0.12 moll ch3cooh and a supply of
A gaseous mixture of O2 and Kr has a density of 1.140 g/L at 415 torr and 300. K. What is the mole percent O2 in the mixture?
Identify the reagents you would need to make the following substance via Grignard synthesis, and briefly describe your synthetic strategy.
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