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If 10.3 mL of 0.100 N NaOH is used to bring 10.0 mL of juice to a pH of 8.20, what is the titratable acidity (g/L tartaric acid)? Assume tartaric acid is 75.0 eq/L.
What is the theoretical yield and percent yield for this reaction under the given conditions?
Trimyristin can be synthesized from glycerol and tetradecanoic acid in 87% yield. If 25.00 g of trimyristin is needed, what amount of both starting materials (in grams) would need to be used in order to provide the needed amount of trimystin?
calculate the quantity of heat produced when 19.0g of propane is completely combusted in air under standard conditions. Assume that liquid water is forming.
The Goodyear blimps, which frequently fly over sporting events, hold approximately 1.60×105 ft^3 of helium. If the gas is at 25deg C and 1.0 atm, what mass of helium is in the blimp
c) how many grams of sodium nitride are required to inflate an air bag with nitrogen gas to a volume of 46.0 Liters at 298k and 1.0atm d) How would the amount of sodium nitride change if the same airbag were to inflate at ta much higher elevation?..
Balance the following equations: a) Zn(s)+H2SO4(aq)--->ZnSO4(aq)+H2(g); b)Al(s)+H2SO4(aq)--->Al2(SO4)3(aq)+H2(g); c)K2SO4(aq)+BaCl2(aq)--->BaSO4(s)+KCl(aq); d) CaCO3(s)--->CaO(s)+CO2(g); e)Al2(SO4)3(aq)+KOH(aq)--->Al(OH)3(s)+K2SO4(aq).
What is the molarity of aqueous lithium bromide if 25.0mL of LiBr reacts with 10.0mL of 0.250M Pb(NO3)2
How many grams of ethylene are needed to react with 0.120 mol of {\rm{H}}_2 {\rm{O}}{\kern 1pt}. How many grams of ethyl alcohol will result
How many grams of F2 are needed to produce 157 g of PF3 if the reaction has a 79.8% yield?
What amino acids are preferred for this polypeptide? Draw the side chain structure of each amino acid that can be used for this polypeptide. Label them with both three letter and single letter codes.
when x rays of wavelength 0.084 nm are diffracted by a metallic crystal the angle of first-order diffraction n 1 is
a sample of gas has a mass of 38.8 mg. it's volume is 224 mL at a temperature of 55 degrees C and a pressure of 886 torr. Find the molar mass of the gas.
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