3. A 1.5 kg of liquid having a constant specific heat of 2.5 kj/kg.°C is stirred in a well (insulated) chamber causing the temperature to rise by 15 °C. The change in internal energy and work done for the process are: Oa) 50.23 KJ, -50.23 KJ Ob) 43.54 KJ ,- 43.54 KJ Oc) 66.82 KJ ,-66.82 KJ Od) 56.25 KJ, -56.25KJ Oe) None of the above

Physical Chemistry
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Chapter2: The First Law Of Thermodynamics
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3. A 1.5 kg of liquid having a constant
specific heat of 2.5 kj/kg.°C is stirred in
a well (insulated) chamber causing the
temperature to rise by 15 °C. The
change in internal energy and work
done for the process are:
Oa) 50.23 KJ, -50.23 KJ
Ob) 43.54 KJ ,- 43.54 KJ
Oc) 66.82 KJ , -66.82 KJ
Od) 56.25 KJ, -56.25KJ
Oe) None of the above
Transcribed Image Text:3. A 1.5 kg of liquid having a constant specific heat of 2.5 kj/kg.°C is stirred in a well (insulated) chamber causing the temperature to rise by 15 °C. The change in internal energy and work done for the process are: Oa) 50.23 KJ, -50.23 KJ Ob) 43.54 KJ ,- 43.54 KJ Oc) 66.82 KJ , -66.82 KJ Od) 56.25 KJ, -56.25KJ Oe) None of the above
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