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Our reaction mixture had an oily layer layer on top when we added 3M sulfuric acid. what would cause this
A 0.50 sample of compound contains 0.40g of Carbon and .10g of Hydrogen. What is the empirical formula
Calculate the volume of 6m NaOH required to react completely with 1.50 g Methyl salicylate. How much of the 6M NaOH that was used was in excess of the theoretical amount? Used 15ml NaOH
The volume of a helium balloon is 75.4m^3 (or 7.54x10^L) at 20 degrees Celsius and 1.00 atm. (a) What is the mass of the helium gas in the balloon
What volume of 3M H2SO4 is needed to neutralize all of the disodium salicylate and the excess NaOH present after the initial reaction. How much sulfuric acid was in excess
calculate the volume of 6M NaOH required to react completely with 1.50g. How much of the 6M NaOH that you used was in excess of the theoretical amount
Aluminum readily displaces hydrogen in sulfuric acid according the following balanced reaction: 2Al(s) + 3H2SO4(aq) = Al2(SO4)3(aq) + 3H2(g). How many grams of H2SO4 are required to completely consu
can a reaction consist of both a single step bimolecular reaction and a unimolecular decompostion
what is the difference between using blue dye and red dye when determining the rate law for the oxidation by sodium hypochlorite?
How many milliliters of 4.00M H2SO4 are required to react with 1.60g of CuO according to the equation
At what position will the electrophilic aromatic substitution occur for the following compounds? bromobenzene, nitrobenzene, benzoic acid, toluene, phenol, and benzaldehyde
Many metals pack in cubic unit cells. The density of a metal and length of the unit cell can be used to determine the type for packing. For example, gold has a density of 19.32 g/cm3 and a unit cell
A and B are two species which react in the presence of an acid catalyst. Would you expect the catalyst to appear in the rate law
A solution of H2SO4 (aq) with a molal concentration of 6.80 m has a density of 1.318 g/mL. What is the molar concentration of this solution
The tricky part of this multi-step synthesis is the isolation of the neutral p-aminobenzoic acid in the second step. Why is this isolation so difficult
At 25 degrees C, what are the molar H3O+ and OH- concentrations in (e) 0.200 M NaOCl? (f) 0.0860 M CH3CH2COONa
this is a post lab question: you did not correct for the barometric pressure for the vapor pressure of water. what happens to your calculations
for the experiment with eudiometer, you did not correct for the barometric pressure for the vapor pressure of water.
what differences would you expect to observe. Would the order of reaction change with respect to the dye? Would the rate constant change
What changes would I make in my experimetal procedure to determine the rate law for the oxidation of red dye by sodium hypochlorite
Aluminum readily displaces hydrogen in sulfuric acid according the following balanced reaction: 2Al(s) + 3H2SO4(aq) = Al2(SO4)3(aq) + 3H2(g). How many moles of Al and how many moles
A news station in your local area has predicted a severe winter storm on the way and they want to make sure the streets don't freeze over. Which solution should they use to put on the streets to low
How many mL of Br2 (l) with a density of 3.12 g/mL must you dispense to have 1.56 mole (mol) of Br2 (l).
A reaction yields a colored product and the absorbance at a given wavelength increases at 0.2 per minute. The molar absorbtivity of the product is 4.0 ?M-1cm-1. What is the rate of product formation
Estimate the minimum boiling point difference betwen two compounds that would allow effective seprartion of the two compounds by simple distillation.