MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryThermodynamics and ThermochemistryInternal Energy
Internal energy is the sum of
A.kinetic energy and potential energy
B.all types of energy of the system✓ Correct
C.energy of internal system
D.None of the above
Explanation
Every system having some quantity of matter is associated with a definite amount of energy. This energy is known as internal energy. It is the sum of many types of energies, such as translational energy, THERMODYNAMICS AND THERMOCHEMISTRY 29 rotational energy, vibrational energy, electronic energy and bonding energy of the molecule. trans rot vib bonding electronic E E E E E E
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