Calculate the ph at the equivalence point for the titration
Calculate the pH at the equivalence point for the titration of 0.130 M methylamine (CH3NH2) with 0.130 M HCl. The Kb of methylamine is 5.0× 10-4.
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An infinite line of charge produces a field of magnitude 3.4 × 104 N/C at a distance of 2.5 m. Calculate the linear charge density
Calculate the pKa value of the acid and determine the number of moles of acid initially present. When the reaction is complete, what is the concentration ratio of conjugate base to acid? How many moles of strong base were initially added
The mass of a single copper atom is 1.06E-22 grams. How many copper atoms would there be in 318 milligrams of copper?
A vector is located in the x-y plane. The x component is 4.00 m and the y component is 3.00 m. Find the angle that this vector makes with the positive y-axis
Solution of Barium chlorate with a solution of Silver fluoride
A gas is allowed to expand isothermally until it reaches its final volume and its pressure is 2.97 atm. Find the heat absorbed by the gas during this process
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted. If 0.560 moles of a monoprotic weak acid
A volume of 110.mL of H2O is initially at room temperature (22.0 °C). A chilled steel rod at 2.00 °C is placed in the water. If the final temperature of the system is 21.1 °C , what is the mass of the steel bar?
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