Internal enegry of a system of molecules is determined by taking into consideration its

Options

A. Kinetic enegry
B. Vibrational enegry
C. Rotantional energy
D. All kinds of energies present in the molecules

Explanation

To determine the internal energy of a system of molecules, we need to consider the various forms of energy that contribute to the total energy of the system. Here’s a step-by-step breakdown of the solution:

### Step-by-Step Solution:

1. **Understanding Internal Energy**:
- Internal energy is the total energy contained within a system due to the motion and interactions of its molecules.

2. **Types of Energy**:
...