Q.
Correct statements about internal energy areA) The absolute value of internal energy cannot be determinedB) The internal energy of one mole of a substance is same at any temperatureC) The measurement of heat change during a reaction by bomb calorimeter is equal to internal energy changeD) Internal energy is an extensive propriety
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a
A, B and C only
b
A, C and D only
c
B, C and D only
d
A, B and D only
answer is B.
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Detailed Solution
A--correct, B--false…..Internal energy is a function of temperature;C…correct….bomb calorimeter is a closed vessel therefore heat change in a process is ∆E;D…correct….'E' or ‘U’ depends on quantity of substance;
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