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Supercooled (metastable) water vapor commonly occurs in the atmosphere if dust particles are not present to begin condensation of the liquid.Sometimes small particles,such as tiny crystals of silver iodide, are released from airplanes in an attempt to begin condensation. This process is called "cloud seeding". At a certain location, water vapor at 298K has a metastable partial pressure of 30.0torr. The equilibrium value at this temperature is 23.756 torr. Consider the air which is present to be the surroundings, and assume it to remain at equilibrium at 298 K. A tiny particle is added to begin condensation. Calculate ?S, ?H, and ?Surr per mole of water which condenses. State any assumptions.
The Rb-Sr data given below are for whole-rock samples from amphibolite metamorphic facies of theLewisian gneiss complex in Scotland (Moorbath et al., 1975), and the Sm-Nd data are for whole-rocksamples from granulite metamorphic facies of the same..
An atomic emission spectrum of hydrogen shows the following three wavelengths: 1875nm, 1282nm, and 1093nm. Assign these wavelengths to transitions in the hydrogen atom.
A sample of argon gas occupies 125 L at 22C and .975 atm. What volume will it occupy at 60C and .825 atm?
Herbigon will be soluble at the concentration needed to kill weeds. What pH must the solution have to yield a solution in which the concentration of X+ is 6.00×10?3M ? The pKa of acetic acid is 4.76.
What is the specific heat of lead if it takes 97.5J to raise the temperature of a 75.0g block by 10.1 degress celcius?
If you purchased 1.11 muCi of sulfur-35, how many disintegrations per second does the sample undergo when it is brand new
Calculate the molar mass that would be obtained from the actual experimental data under the following conditions. The unknown is methyl propyl ether (CH3OC3H7)
If the sunlight consists of photons with an average wavelength of 510.0 nm, how many photons strike a 3.20 cm2 area per second?
How many milliliters of 0.50 M HCl solution are needed to titrate 100 mL of 0.20 M NaF to the equivalence point
In the synthesis of aspirin, what would happen if a student tried to quench the reaction by adding excess aqueous sodium hydroxide instead of 8 mL of water
The compound is composed of 41.39% carbon, 3.47% hydrogen and 55.14% oxygen. The molecular mass is 116.07 g/mol. What is the molecular formula?
What is the gauge pressure of the gas in this mercury manometer if h = 53 mm and the atmospheric pressure is 781 mmHg? What is the absolute pressure of the gas?
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