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How many moles of carbon dioxide are produced for every mole of tdi that is hydrolyzed
A 0.868 g sample of an unknown acid requires 32.8 mL of a 0.180 M barium hydroxide solution for neutralization. Assuming the acid is diprotic, calculate the molar mass of the acid
An analysis shows that you need to neutral 3.27 meq/100gof acidity. How much of finely ground pure CaCO3 (in grams) is required to neutralize the acidity of this soil?
Write the ground state electron configuration , both full notation and noble gas abbreviation and indicate the number of valence electrons for Al, I, Rb, Ar, Mg
A 0.3146 g sample of a mixture of NaCl(s) and KBr(s) was dissolved in water. The resulting solution required 38.50 mL of 0.08765 M AgNO3(aq) to preipitate the Cl- (aq)and Br-(aq) as AgCl(s) and AgBr(s). Calculate the mass percentage of NaCl(s) in ..
Use the Henderson-Hasselbalch equation to calculate the pH of a solution that is 11.5g of HF and 25.0 g
What is the mass of the solid NH4Cl formed when 73.0 g of NH3 are mixed with an equal mass of HCl? What is the volume of the gas remaining, measured at 14.0° C and 752 mmHg?
The equilbrium constant for the decompositon at 25 degrees C is 2.3 X 10 ^ -4. At 25 degrees C , 7.5 g of NH4CO2NH2 is sealed in a 10 L flask and allowed to decompose.
The limiting reactant in the salt mixture was later determined to be CaCl2x2H2O a) How many moles and grams of the excess reactant, K2C2O4xH2O, reacted in the mixture? b) How many grams of the K2C2O4XH2O in the salt mixture remain unreacted (in ex..
what happens if cellulose is reacted with maleic anhydride C4H2O3? Again, how is the cellulose molecule/structure altered and what are the reaction by-products?
use the van der waals equation to calculate the pressure of 4.21L CO(g) at 300°C. (a= 1.472 bar L^2mol^-2 and b=0.0395L mol^-1)
What mathematical expresssion will yield the correct volume at 177 degrees celsius and 400mgHg?
In the chemical reaction used in automotive air-bag safety systems, N2(g) is produced by the decompositon of sodium azide, NaN3, at a somewhat elevated temperature:
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