47. The heat generated in the coil of resistance 180 ohm which
is connected to a silver voltmeter is 364.5 KJ. If a steady
current is passed through the circuit for 15 min, find the
mass of Ag that gets deposited on the cathode. Relative
atomic mass of silver is 108 g and Faradays constant is
96500 C.
can anybody do this??
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Answer:
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Explanation:
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Answered by
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Answer:
H=I 2 RT
H=364.5kJ
R=180Ω
t=15mins=900secs
So I= Root H/RT =1.5A
Now charge, 1.5×900=1350C
Electrochemical equivalent z=108 /96500
=0.001111
Now again z= weightofsubstance / quantityofelectricity
or, 0.0011= W /1350
w=0.0011×1350=1.5g
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I think u r satisfied with my answer......
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