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When 25.0 ml of 0.500 M H2SO4 is added to 25.0 ml of 1.00 M KOH in a coffee-cup calorimeter at 23.50 degrees Celsius, the temperature rises to 30.17 degrees Celsius.
What is the concentration of the HNO3 solution? (b) How many moles of NaOH were in excess after the first addition?
Claisen reactions use a stoichiometric amount of base and do not polymerize, unlike aldol reactions that use a catalytic amount of base and can polymerize.
At body temperature 37 C, Ka for aspirin equals 3 x10^ - 5.If two aspirin tablets, each having a mass of 325 mg, are dissolved in a full stomach whose volume is 1 L and whose pH is 2, what percent of the aspirin is in the form of neutral molecules
Calculate the equilibrium partial pressures of C2H6, N2, NH3, and C2H4. Peq(C2H6) = . Peq(N2) = . Peq(NH3) = . Peq(C2H4) = . (b) Calculate KP for this reaction. KP =
Use the letter from the reagent table for inorganic reagents and write the IUPAC substitutive name for the bromoalkane.
The sun produces energy via fusion. One of the fusion reactions that occurs in the sun is How much energy in joules is released by the fusion of 3.06 of hydrogen-1
A student measures 0.2452 g of a monoprotic solid acid, and dissolves the solid in water to make 100.0 mL of solution. The entire solution is titrated to a phenolphthalein endpoint with 45.09 mL of 0.1752 M KOH.
Compute the a)molarity of the solution, b)molality of the solution, c) mole fraction of Ammonia.
A balloon filled with helium gas has a volume of 500 mL at pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km, where the pressure is 0.5 atm.
two solutions, a 0.1% (m/v) albumin solution and a 2% (m/v) albumin solution, are seperated by a semipermeable membrane. (Albumin is a colloid)
The specific rotation of Compound X is +15.2o. A mixture of Compound X and its enantiomer are placed in the polarimeter and the observed rotation is -5.1o. Which enantiomer is in excess? (+ or -) Calculate the enantiomeric excess.
At what temperature will a sample of nitrogen gas with a volume of 328 mL at 15°C and 748 mmHg occupy a volume of 0.898 L at a pressure of 642 mm Hg? Assume the amount of the nitrogen gas does not change.
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