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Calculate the number of moles of KOH in 9.10mL of a 0.140M KOH solution? What is the pOH of the solution at 25 C?
Calculate the % ionization in a 0.0902 M solution of acetylsalicylic acid (aspirin). The Ka of acetylsalicylic acid = 4 x 10-4. please show the steps to solving this type of problem.
In PLP catalyzed reactions, the bond broken in the substrate molecule must be perpendicular to the plane of the pyridinium ring. Describe why this arrangement stabilizes the carbanion
In a lab exercise 2.43 grams of sodium chloride NaCl is placed in a calorimetric cup containing 50 mL of water at 19 degrees celcius. After mixing the solution temperature is 16.5 degrees celcius.
When a sample of HI(g) (0.1192 mol/L) is placed in 110.0 L reaction vessel at 968.0 K and allowed to come to equilibrium the mixture contains 0.02028 mol/L of H2(g). What concentration (mol/L) of HI(g) reacted? 2HI(g) = H2(g)+I2(g)
When 83.6 joules of heat is added to 2 grams of water at 10 degrees Celsius, the temperature of the water increases to what value?
Calculate the pH at equivalence point when 40.0 ml of 0.50 M aniline is titrated with 30.0 ml of 0.67 M HBr. For aniline Kb=3.8x10exp
For every molecule of PM that is produced, one molecule of acrolein is formed. If acrolein is not used to cure cancer, what might happen to the acrolein?
A sample of an unknown metal has a mass of 35.4 grams and a volume of 3.11 centimeter cube. calculate the density.
A) H2O to liquid NH3 B) CH3COONa to liquid NH3 C) H2O to liquid HCl D) Li2SO4 to liquid H2O E) Na2SO4 to liquid H2SO4 5. The MO delta (?) bonding can result
What solution will have the lowest boiling point?? 0.075 M CaCl2 0.020 M Na3PO4 0.050 M KNO3 0.025 M NH4NO3 0.10 M C6H12C6
Write electron configurations for each of the following elements. Use the symbol of the previous noble gas in brackets to represent the core electrons
Calculate the maximum number of grams of phosphorus trichloride that could be formed from 44.1 grams P subscribe 4.
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