Un vas plin cu lichid cântăreşte 175kg. ceea ce reprezintă de 5 ori masa vasului gol. ştiind că volumul interior al vasului este 0,17kl, să se calculeze:
a) densitatea lichidului;
b) greutatea lichidului.

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

This is the substance(s) formed in a chemical reaction.

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th