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Ethanol is slightly acidic and reacts with NaOH. Propose an experiment that could be used to establish how much ethanol reacts with the NaOH during the titration. Describe how the results from this control experiment would be incorporated into the data analysis to the correct for this error.
Aqueous sulfuric acid will react with solid sodium hydroxide to produce aqueous sodium hydrogen sulfate and liquid water . Suppose 3.92 g of sulfuric acid is mixed with 2.22 g of sodium hydroxide.
The sudden opening of the epiglottis and vocal cords releases this air explosively. Just prior to this release, what is the approximate pressure of the gas inside the lungs?
2.00 x10^2 mL of .744 M HCl is mixed with 2.00 x 10^2 mL of .372 M Ba(OH)2. how many moles of water are produced in the reaction
A 635 mL sample of unknown solution reacts completely with to form 19.1g CO2 . What was the concentration of the solution?
Calculate the number of grams of glucose must be dissolved in water in order to produce 100.0 ml of a 3.700 M glucose solution (C6H12O6). Density = 2.601
Keq is 1.60 at 933 K for this reaction. H2(g) + CO2(g) H2O(g) + CO(g) Calculate the equilibrium concentration of hydrogen when [CO2] = 0.290 mol/L, [H2O] = 0.250 mol/L, and [CO] = 0.210 mol/L.
If Hg and 1.50g O2 are obtained from heating 56.0g HgO, what is the masspercent yield of O2 ? Hint work out the stoichiometry of the reaction first.
The isotactic conformation of polypropylene is more regular than the syndiotactic conformation of polypropylene. C. Vinyl Polymers can exist as both Cis and trans isomers.
A 97 gram solution of silver nitrate contains 10 grams of AgNO3. What is the percent by mass of silver nitrate in this solution. Answer in units of %
Calculate the dilution factor for all 7 test test tubes. Show all work/calculations. 0.1 ml of the solution from the serial dilution 10^-4, 10^-5 and 10^-6 was pipetted onto three separate agar plates.
Suppose one wated to take another approach where C is heated until 5% of the atoms occupy the electronically excited state. Consedering only the lowest-energy ground state and the elctronically excited state
If a 1000 kilogram sample of rock is 0.021% gold by mass. How much zinc is needed to react with the gold extracted from the rock?
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