Write the half-reactions
Write the half-reactions for the following redox reaction 2Li + H2 -> 2LiH
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A rifle with a barrel length of 60 fires a 10 bullet with a horizontal speed of 450 . The bullet strikes a block of wood and penetrates to a depth of 10 .
A 2.10 M aqueous soluion of pyridine C6H5N has a pH 0f 9.78. Why are the concentration of these solutions diffferent even though their pH values are the same?
75.00 mL of an aqueous solution of formic acid is titrated with a 0.150 M aqueous solution of NaOH. It is found that 21.25 mL of the NaOH solution is needed to reach the equivalence point. Formic acid has a pKa of 3.74. Calculate the pH when 10.00
What were the efforts toward peace during the early 1900's?& ;How did nationalism and international rivalries lead Europe to War?& ;
A 47.6-cm diameter disk rotates with a constant angular acceleration of 2.4 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis
A 84.0mL volume of 0.25 M HBr is titrated with 0.50 M KOH. Calculate the pH after addition of 42.0mL of KOH.
Water flows over Victoria Falls, which is 128 m high, at a rate of 1.4 x 106 kg/s. If half the potential energy of this water were converted into electric energy, how much electric power would be produced by these falls?
Show the movements of the electron pair that occur to form the product. Which reactant is the lewis acid? Which is the Lewis base? how do you know?
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