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The titration of a 25 ml sample of 0.110 M HC2H3O2 with 0.130 M NaOH. Determine the following? the initial pH, the volume of added base required to reach the equivalence point, the pH at 5.00 ml of added base, the ph at one-half of the equivalence point, the ph at equivalence point. pH at equivalence point = 4.74 the volume of added base required to reach the equivalence point = 19.5 ml the initial pH = 2.85 the pH at the equivalence point ??? the pH at 5.00 mL of added base ph = ?
What is H in kJ for the process of freezing a 28.9 g sample of liquid silver at its normal melting point of 961 oC.
Two molecules of 1,3-butadiene (C4H6) react to form 1,5-cyclooctadiene (C8H12). As the Reaction proceeds, the pressure in the container falls, because two gas molecules are consumed to produce one product molecule.
What is the molar mass of a gas if 0.250 g of the gas occupies 215 mL at 618 mmHg and 30.0°C?
Calculate the 1/2 life for the decomposition of co2 which is first orderwithnrespect to co2 at 1000degree k with k=1.8x10to-13degree sec
The concentration of glucose inside a cell is 0.14mM. outside the cell the concentration of glucose is 12.8 mM. Calculate the change in Gibbs free energy for the transport of 5.00 moles of glucose
the anesthetic procaine hydrochloride is often used to deaden pain during dental surgery. the compound is packaged as a 10.% solution (by mass; d= 1.0 g/mL) in water. IF your dentist injects 0.50 mL of the solution, what mass of procaine hydrochlo..
Determine the dominant configuration of energy for this system by identifying energy configurations and calculating the corresponding weights. What is the probability of observing the dominant configuration
When o.514 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.8 to 29.4 degree Celcius. Find delta energy reaction for the combustion of biphenyl in KJ/mol biphenyl.
Caproic acid C5H11COOH is found in small amounts in coconut and palm oils and is used in making artificial flavors. A saturated solution of the acid contains 11 g/L and has a pH of 2.94. Calculate Ka for the acid.
If 15 amino acids were linked together by condensation and elimination of water, how many water molecules would be lost and how many new peptide bonds would be formed.
HCOOH and HCOONa How many milliliters of HCOOH and HCOONa would you use to make approximately a liter of the buffer?
For bipyridine (bipy) determine the maximum number of coordination sites that the ligand can occupy on a single metal ion.
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