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In the complete combustion of ethanol C2H5OH + 3O2(g) ==> 2CO2(g) + 3H2O(g) , how many liters of water vapor are produced, if 11.064 L of carbon dioxide are produced?
for the decomposition of an antibiotic in aperson with a normal temperature of 98.6 f k0.0000250 s-1. for a person with
Consider the reaction: 2 K(s) + 2 H2O(l) -> 2 KOH(aq) + H2(g), DH = ? The heat released when 24.9g of K reacts with excess water is 124 kJ. Determine the enthalpy change, DH, for the above equation as written
What is the coefficient for Zn when the equation below is balanced with the smallest whole number coefficients
Hydrogen atoms that are bonded to an sp3 hybridized carbon atom normally appear between 0.9 & 1.8 ppm and are said to be shielded
calcualte the precentage error that would result from the use of the ideal gas equation of state for the calculation.
Explain why is longitudinal diffusion a more serious problem in gas chromatography than in liquid chromatography
The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy
 What is the pH of the acidic solution before titration? 4.  What is the pH of the reaction mixture after 10.0 mL of NaOH was added?
How many grams of dry NH4Cl need to be added to 1.80L of a 0.400M solution of ammonia, NH3 , to prepare a buffer solution that has a pH of 8.90? Kb for ammonia is 1.8*10^-5.
for the reaction a b-----gt c the rate law is rateka. if the initial concentration of a 2.5 moll the initial b 1.4
Serum taken from a patient being treated with lithium for manic-depressive illness was analyzed for lithium concentration. A reading of 251 units was obtained for the intensity of the 671 nm red emission line.
Write the formulas of all possible monobromination products when cyclopentane is exposed to Br2 in presence of light, rection occurs.
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