Question #202569

If you need 25,000 A of current to carry out electrolysis for 15 minutes, what voltage would you need if you are to use 1.7 kWh for the process?

Expert's answer

**Solution**

E=QV

Q=I"\\times" t

t=15"\\times" 60=900 sec

2500"\\times" 900

Q=22.5"\\times10"^{6}

E=P"\\times" t

converting 1.7kwh to joules

E=1.7"\\times3.6\\times10^6\\times900"

E=QV

therefore V="\\frac{E}{V}"

V="\\frac{1.7\\times{3.6}\\times{10^6}\\times{900}}{22.5\\times{10^6}}"

v=244.5

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