what is one everyday example that is similar to the competition between the kinetic energy and intermolecular forces with a substance

Evaluate this exponential expression,8. (2 + 3)2 – 42

Why does his teacher ask him to balance the equation by including the correct coefficient

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.