200g of solution is made up of a solute and a solvent. the mass of the solvent is 150g. composition of the solute in the mixtures as a mass fraction is

Achef makes salad dressing by mixing oil, vinegar, and spices, as shown. which type of matter is the salad dressing?

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.