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Calculate the pH at the equivalence point for the titration of 0.170 M methylamine (CH3NH2) with 0.170 M HCl. The Kb of methylamine is 5.0× 10-4.pH=?
What product results from the reaction of hexyl bromide and sodium ethoxide?
How many times faster will the reaction occur at 43^circ {rm C} than at 0 ^circ {rm C}? How many times faster will the reaction occur at 43^circ {rm C} than at 0 ^circ {rm C}?
Is ethanol(CH3OH) a bad leaving group. Also is (CH3)2N- a bad leaving group? the Nitrogen has two methyl groups and negative charge
What volume of 2.0 M NaClO must be diluted with water to prepare 500.0 mL of 0.10 M NaClO?
What is the net redox reaction that occurs when Ag comes into contact with acidic K2Cr2O7? Which metal is the most reactive?
Which of the following pairs of atomic orbitals on adjacent nuclei can overlap to form a sigma bond? Consider the x-axis as the internuclear axis
a solution contains 4.00g NaOH, 5.61g KOH, and 1.03g RbOH in 90.0g of H2O. The solution has density of 1.08g/mL. What is the molality of OH?
Determine At what temperature does C 6 H 6 boil when the external pressure = 470 torr?
How much heat is gained (in Joules) by the water where a chemical reaction takes place in 100 mL aqueous solution and has a temperature increase of 14 C?
What is the half life of the decomposition of A at 60C? e)If the concentration of a is found to be 2.78 x 10^-3 mole/L at t= 1.80 s and 60C, what is the initial concentration of a at 60C?
The pH of uncontaminated rain water is about 5.6. The pH of rain falling in Cleveland, OH is 4.2 and that in Omaha, NE is 5.5. What is the concentration of hydrogen ions in the rainfall of each city? [H] 6.3 ^ -5 for Cleveland.
Calculate the de Broglie wavelength of an neutron moving at 1% the speed of light. Calculate the velocity of a neutron with a wavelength of 75pm.
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