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Correct for the water vapor present in the wet dry ice experiment and compare and compare with the mean value for the dry ice experiment. Does the presence of water vapor affect the result? Explain why it does or does not have a large affect on the value obtained.
Explain why the atomic mass of an atom is a decimal number and how that value was determined before being placed on the periodic table.
How many Valence electrons does a balanced atom of Sodium have? What is the net charge on each ion?
The insecticide DDT has a half-life in the human body of about 7 years. That is, in 7 years its concentration.( Although DDT is no longer in use in the United States).
What volume in liters of 0.94 M KOH solution should be added to a 0.090 L solution containing 9.1 g of glutamic acid hydrochloride
When a monosaccharide reacts to give the pyranose form from its open-chain form, how many distinct pyranose forms are possible?
What prefix is used to name a hydrocarbon with two carbon atoms?
A 70kg skier is going down a hill that is inclined at a 12 degree angle to the horizontal. the coefficient of kinetic friction between waxed skies and snow is .05. The force of the air resistance on the skier is 15.6N. find the skiers acceleration..
How much energy is required to evaporate 100.0 grams of water that is at 100.0 degrees Celsius?
Assume that fructose is a molecular solid and does not ionize when it dissolves in water.
A sample consisting of various gases contains 3.4 10-6 mole fraction of radon. This gas at a total pressure of 33 atm is shaken with water at 30°C. Calculate the molar concentration of radon in the water.
calculate the solubility of Ca(OH)2 in a 0.469M Cacl2 solution at 31 Degrees, given the Ksp of Ca(OH)2 is 4.96*10^-6. give answer in milli molar units.
A 1.00 L sample of chlorine gas at 1.00 atm and 298 K reacts completely with 1.00 L of nitrogen gas and 2.00 L of oxygen gas at the same temperature and pressure.
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