Chemistry Exam (CHEM 419)
(THERMODYNAMICSOF
POLICTICAL CHEMISTRY)
TIME ALLOWED: 72 Hours.
QUESTION
1. In a reaction involving 72g
of Buharium sulphate and 53g
of Janatine carbonate, 2015g
of
presidium electorate acid was
produced.
i. Calculate the percentage
purity of the product,and
assuming the reaction took
place under
Jega standard condition.
ii. Assuming that 3g of
Ma'azuim Chloride was added
using Goodluckium solution,
calculate
the mass of Buharium
sulphate that would have
been needed for the reaction
to be
WINothermic?
iii. What is the colour of
Goodluckium Chloride before
and after free and fair
reaction?
iv. Calculate the molecular
weight of the reactants and
products with respect to their
places
on the electrochemicalseries
of quality leadership and state
which is stronger and why.
v. Using their molecular
numbers, prove that Jonatine
Chloride is weak and would
need more
INECium solution from
JEGAnium nitrate to be able to
precipitate Buharium from the
reaction.
vi. Why is it that the solution
of RIGium produced can't
react with APCium Nitrate but
would
react violently under PDPium
Jonite acid?
NB : Use of Four Rigging Table
is not allowed in the exam Hall
Your time starts now!

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