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Altitude is 2200 m. Based solely on the scaling height of pressure with altitude, estimate the pressure. Express the answer in atm and Torr.
Estimate the dew point if at the surface it's 23 celcius and clouds overhead appear to be at analtitude of 500 m.
How many milliliters of 0.100 M NaOH solution are required to neutralize a solution containing 3.92 g H2SO4
What is the reason for using activated carbon during a recrystallization. Why is gravity filtration and not suction filtration used to remove insoluble suspended impurities and charcoal from a hot solution
This solution had an absorbance of 0.810 at 510 nm and 0.476 at 656 nm in a 1.00-cm cell. a) Calculate the concentration of cobalt (in ppm) in the initial solution prepared by dissolving the sample. b)Calculate the concentration of nickel (in ppm)..
A piece of amber was cut into a rectangular solid measuring 5.18cm by 10.8cm by 2.85m . What is the volume in cubic centimeters
4.56 g of N2O reacts completely with an equimolar amount of NO2 to form elemental nitrogen and oxygen. How much N2 is formed in this process
what is the maximum mass of sucralose (C12H19Cl3O8) you can add to 3.0 kg of pure water and still have the solution freeze? Assume that sucralose is a molecular solid and does not ionize when it dissolves in water
Computational chemistry-----What two predominant effects govern most chemical reactions and properties. What are the two major types of computational approaches used to model chemicals
For each of the five principles of biochemistry give an example(step or series) from a biochemical pathway that satisfies each principle
consider the dissolution of mns in water ksp 3.0 times 10-14.nbspmnss h2ol mn2aq hs-aq oh-aqhow is the solubility
cacl2 nahco3 phenol red --gt produces a yellow solutionphenol red is an h-indicator. the skeleton reaction ish
0.40 moles of an unknown acid (HA)is added to 600 ml of pure water. The pH of the resulting solution is 3.00. What is concentration of A- in the solution. What is the Pka of the acid
Utilizing appropriate examples, Define how the Octet Rule is used in ionic bond formation between Ca and O and covalent bond formation in NF3
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