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Which separation technique do you think will be fastest, flash chromatography or chromatotron? Explain.
How to to use low resolution absorption spectra to obtain values proportional to the true absorbance
Calculate the percent yield of the reaction of 205 grams aluminum hydroxide with 751 grams hydrogen sulfate (sulfuric acid), given that 252 grams aluminum sulfate are produced
discribe how to prepare this solutions show all work and calcualtion? a) 50mL of asolution containing 0.15M malonic acid [CH2(COOH)2 plus 0.02 manganese sulfate [ MnSO4] b) 100 mL of 0.08M sulfuric acid
A beaker contains 100 grams of 0.50 M NaCl. If you transfer 50 grams of the solution to anouther beaker, what is the molarity of the solution remaining in the first beaker?
At what distance will the rate of energy transfer be equal to the excited-state decay rate for isolated CFP, equal to the inverse of the excited-state lifetime?
methane the principal component of natural gas is used is used for heating and cooking. The combustion process is CH4(g) + 2O2(g) -> CO2(g) + 2H2O(l). If 12.1 moles of CH4 react with oxygen, what is the volume of CO2 (in liters) produced at 21.5 d..
200g of magnesium phosphate and 250.0g of copper bromide react, how much copper phosphate will be produced?
carbon dioxide has a solubility of 0.0342 M in water. What is the solubility at 25 degrees celcius and 2110 Torr?
A solution is prepared by dissolving calcium chloride in water and diluting to 500.0 mL. If this solution contains 44 ppm chloride ions, the concentration of calcium ions is how many ppm
a hypothetical element has two stable isotopes one has a mass of 106.9051 amu with an abundance of 48.183% the other isotope has a mass of 108.9048 amu with an abundance of 51.825% what is the average atomic mass of this element
Working with ideal gas law, The pressure of a sample of gas at a constant temperature of 25 degrees C is increased from 1.0atm to 1.3atm
Determine the number of electron pairs (both bonding pairs and lone pairs) on the iodine atom in the following.
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