What is the difference between physical change and chemical change?

A __, such as H2SO4, is a symbol that shows the elements in a compound and the ratio of atoms

How many grams of alcl3 are produced when 3 grams of al (oh) 3 react completely with excess hcl?

Mr. Cortez asked his students to give examples in which electrical energy is transformed into heat. Students worked in a small group. They recorded their answers in a table. If you were Mr.

Osmosis is defined as the movement of A. Molecules from high concentration to a low concentration B. Water molecules from a high concentration to a low concentration through a selectively permeable membrane C.

Which is an extensive property of iron a magnetic b black color c mass of 15g d density of 7.86 g/cm3

I'm doing isotope homework and I need the find the number of protons, neutrons, and electrons first one is chromium-58 and chromium-63

Trisha and her lab partner were conducting a variety of experiments to produce gases: hydrogen, oxygen, and carbon dioxide. In one experiment, they added a piece of magnesium ribbon to 10 milliliters of hydrochloric acid.

what mass of magnesium is required to react with excess nitrogen to produce 0.500 mol magnesium nitrade

Silver chromate is sparingly soluble in aqueous solutions. the ksp of ag2cro4 is 1.12 * 10-12 m3. what is the solubility (in mol/l) of silver chromate

What do you think 1,5-pentanedithiol C5H12S would smell like