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Why is the vertical movement of air critical to the formation of clouds and precipitation? How is this vertical movement achieved? What roles do adiabatic temperature changes play in these processes?
Important information about Molar concentrations, Calculate the molar concentrations, I-, disulfur octaoxide, disulfur trioxide.
In which of the following species is the octet rule violated by the central atom when the central atom has a formal charge of zero?
On size-exclusion chromatogram you have three peaks (2.9, 3.5, and 4.8 min). Column dead volume is 12 mL, and flow rate 4 ml/min. Are your separation conditions fit for size-exclusion requirements? Explain why.
Write another equation showing how it acts as a base toward water. Express your answer as a chemical equation. Identify all of the phases in your answer.
Describe what happens to the temperature, the volume, and the phase composition ( number of moles of liquid or vapor present) following the removal of 750 J of heat from 1 mol of pure water initially in each of the following states.
At a certain temperature the equilibrium pressure is .718 atm. Calculate Kp for the reaction
A solution is made by mixing 30.0 mL of ethanol, C2H6O, and 70.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C. Ethanol density=0.789 Vapor Pressure (Torr)=43.9 Water density=0.998 Vapor Pressure (Torr)=..
What is the total mass of water raised 68.7 m during this 206.0 minute period? (in kg) How long can the turbines produce 335.0 MW of power from the release of the mass of stored water calculated above? Assume the water sustains a friction loss of ..
If a 190 mg piece of gold (density =19.32 g/cm^3) is hammered into a sheet measuring 2.1*1.0 ft, what is the average thickness of the sheet in meters?
draw an energy diagram that explains why pyridine is a better nucleophile and leaving group in the following
Calculate the amount of heat energy in joules required to heat 50.0g of each substance from 25.0 c to 37.0 c
Acetylene gas (C2Hs) is produced as a result of the reaction CaC2(S)+2H2O(l)-> C2H2(g)+Ca(OH)2(aq).
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