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Make a list of the operations you will need to perform in order to display a spectrum of your food dye on the spectrophotometer
Calculate the apparent degree of dissociation of the NH4Cl if the freezing point of this solution is -15.3OC?(Molal freezing point constant =1.86 0C)
the vapor of a volatile liquid is able to fill a 408-mL flask at 100.4C and 765mm Hg, what is the molar mass of the liquid?
Why is 2-naphthol soluble in sodium hydroxide? Q.3 why is o-toluic acid soluble in sodium bicarbonate?
calculate the mass loss on heating 1.200 g of a NaHCO3-NaCl mixture containing 65% NaCl
a reaction occurs in a calorimeter that contains 120.0 g of water at 25.0degc and 514.95 cal of heat is evolved. if the
Assuming that all "other" reactants used in the synthesis of the complex are in excess, calculate the theoretical yield of the complex.
Proceeds at a certain temperature until the partial pressure of H2O, H2, and O2 reach 0.0500 atm, 0.00200 atm, and 0.00800 atm respectively. What is the value of the equilibrium constant at this teperature?
Determine what %by weight of sodium carbonate does it contain if the specific gravity of the silver nitrate solution = 1.25?
If the wave functions describing the 2s and two of the 2p orbitals are combined, the identical orbitals form bond angles of what degree?
1.00 grams of magnesium and 2.50 grams of oxygen react together in a synthesis reaction to form magnesium oxide. write
Calculate the pH of a solution made by dissolving 2.89 g of sodium fluoride and 17.1 mL of 0.309 M hydrofluoric acid in enough water to make 177 mL of solution.
Distilled water is mixed in one test tube with 1) a soap made of NaOH and canola oil and 2) a separate test tube with just laundry detergent
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