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What amount of NaOH ( a strong base), in mg, would be required to neutralize 100 mg of H2SO4 (MW=98) in 1 L of water.
gas is introduced into an evacuated 3.58 L flask at 65 deg. C, what is the pressure inside the flask
Suppose you have a glass tube which is 1 m long and 2.5 cm in diameter. Concentrated HCl acid is placed at one end of the tube and concentrated NH3 solution is placed at the other end.
If 435 grams of water at 23 celcius abssorbs 281 kJ of heat froma mountain climber's stove at an elevation where the boiling point of water is 87 celcius
Calculate the internal energy and ethalpy change if the volume is changed from 10L/Mmol to 20L/mol and the temperature is changed from 300k too 600k. Use the vander waals equatino and assume that no phase changes ocurr
A solution contains 2.0×10-4 M Ag+ and 3.6×10-2 M CO32-. Determine Qsp for Ag2CO3. Will Ag2CO3(s) precipitate? [Ksp for Ag2CO3 is 8.1×10-12]
The polymerization of styrene to polystyrene can also be catalyzed by benzoyl peroxide. Write the equation for this reaction showing at least three units of the polymer.
When is the standard enthalpy of a reaction for which the equilibrium constant is doubled,when the temperature is increased by 10 K at 298 K
she measures the freezing point of the solution to be 2.7 oC; that of pure cyclohexane is 6.5 oC. cyclohexane has a Kf of 20.2 oC/m. caclculate the molar mass of the compound
A solution is made by mixing 8.00 (millimoles) of and 1.00 of the strong base. What is the resulting pH?
Write chemical equations for the reaction of calcium with the following substances, making sure that the numbers and kinds of atoms are the same on both sides of the equations.
The amino acid glycerine (H2NCH2COOH) has 2 equilibrium constants, one for the NH3 and one for COOH. pKa for COOH is 2.350 and pKa for NH3 is 9.778. at pH is 6.06 which compounds is predominate in solution
A galvanic cell is prepared by immersing a strip of nickel metal into an aqueous 1M NiSO4 and a strip of silver metal into aqueous 0.100M AgNO3. The two solutions are separated by a porous barrier.
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