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Calculate the PH fat equivalence point in titrating 0.100 M solutions of each of the following with 0.080M NaOH;( a) chlorous acid (hclo2), (b)benzoic acid(c6h5cooh) will give more points for all the steps.
What would be the osmotic pressure, in atm, produced by 0.30 M solution of potassium chloride (KCL) at 25 C? (R = 0.0821 L atm mol^-1) A) 14.68, B) 7.34, C) 3.67, D) 0.615, E) 0.131
Determine the enthalpy change for the reaction. 2NO2 (g) -> 2NO(g) + O2(g) These are the given equations: NO + O3 -> NO2 + 02 DeltaH = -198.9 kJ / mol O3 -> (3/2)O2 DeltaH = -142.3 kJ/mol
which of the following alcohols undergoes dehydration at the fastest rate on being heated with H2SO4? a) 1-butanol b)2-methyl-1-butanol c)2-methyl-2-butanol d)3-methyl-1-butanol e)3-methyl-2-butanol?
Given: Volume of He sample = 72.5mL Temperature = 30 C Atmospheric pressure = 785 mmHg Equilibrium vapor pressure of water at 30 C = 31.88 mmHg What is the ratio of average molecular velocity between He(g) and H2O(g)
Update the backbone to properly show a tripeptide, and add side chains and hydrogen atoms to show Gly-Phe-Tyr.
determine the average separation distance between the quantum dot and an adjacent gold nanoparticle for the molecular beacon (in the absence of the target sequence).
Which of these gases will have the greatest density at the same specified temperature and pressure. A) H2 B) CClF3 C) CO2 D) C2H6 E) CF4 8. What is the molar mass of Freon-11 gas if its density is 6.13 g/L at STP
A sample of an unknown metal has a mass of 35.4 and a volume of 3.11 . Whats the Density?
Compute how many ml of C2H3NaO2(0.2 M) need to be added to 200 mL of 0.1 M CH3COOH to make a buffer of pH 5 and also find out what would be the total concentration of C 2 H 3 O 2 be in this (acetate + acetic acid) solution ?
To this was added 20.0 ml of DI water making to the total volume 30.0 ml. The concetration of the unknown acid was 0.868 M. What was the concentration of the original acid?
How much heat is absorbed when 28 grams of H2O is converted into steam at 100 degrees C?
Using information from the table of Standard Thermodynamic Data, calculate the equilibrium constant, Keq, for the reaction given below at 298 K.
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