Which of the following is not true about empirical and molecular formulas? The molecular formula of a compound can be the same as its empirical formula.

Several compounds can have the same empirical formula, but have different molecular formulas.

The empirical formula of a compound can be triple its molecular formula.

The molecular formula of a compound can be some whole-number multiple of its empirical formula.

What are fructose and glucose an example of?

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.

When a scientific theory has been tested and proved by the scientific community, it becomes a law