A) increase with increase in temperature
B) decrease with increase in temperature
C) remain unaffected with temperature
D) can be calculated by the reaction \[E=m{{c}^{2}}\]
Correct Answer: A
Solution :
A fixed quantity of any substance is associated with a definite amount of energy which depends upon chemical nature of the substance and its state of existance. This energy is called internal or intrinsic energy. Thus, internal energy increase with increase in temperature due to increase in rotational, translational and vibrational energy of the molecule.
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