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Question- Calculate the pH at the equivalence point for the titration of 0.150 M methylamine (CH3NH2) with 0.150 M HCl. The Kb of methylamine is 5.0× 10-4.
Explain each and every step in detail. I need proficient help in the above problems.
some physical properties of water are shown below.freezing point 0.00degcboiling
Identify the cathode and anode and determine the standard cell potential for a voltaic cell composed of Co^2+/CO(2) and FE^3+/Fe(s).
Compute the molar solubility of Ag2C2O4 silver oxalate in water and b.) In 0.010 M AgNO3 ignoring the hydrolysis of oxalate ion in both.
calculate the molarity and mole fraction of acetone in a 1.82 molality solution of acetone in ethanol. density of
Problem- A 4.82g sample of iron is heated to 84.3 degrees Celsius. A 1.25g sample of gold is heated to 95.1 degrees Celsius. Both of these metals are added to 9.47g of cold water that is initially at 14.5 degrees Celsius.
A gas sample in a piston assembly expands, doing 588 kJ of work on its surroundings at the same time that 372 kJ heat is added to the gas.
A sealed container contains 6 mol of hydrogen and 1 moles of nitrogen gas. If the total pressure in the container is 1.5 atm, what is the amount of pressure exerted by the hydrogen?
A gas has a volume of 4.00 L at 0 degrees C. What final temperature, in degrees C, is needed to cause the volume of the gas to change to the following, if "n" and "P" are not changed? a) 100. L; b) 1200 mL; c) 250 L; d) 50.0 mL.
Use the reactions below and their equilibrium constants to predict the equilibrium constant for the reaction, 2A(s) 3D(g). 2A(s) 1/2B(g) + C(g) K1 = 0.0334
what happens when acetate ion reacts with mercuric chcloride? explain with reactions?
Why can K2CO3 convert acetaminophen to phenacetin, when K2CO3 is a weak base. Williamson ether synthesis for aliphatic molecules usually requires a strong base, such as sodium ethoxide.
If 8.40 kJ of heat is needed to raise the temperature of a sample of metal from 15 degrees celsius to 20 degrees celsius, how many kilojoules of heat will be required to raise the temperature of the same sample of metal from 25 degrees celsius to ..
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