Water plays a key role in chemical weathering by a. dissolving minerals c. contributing to the oxydation process b. transporting minerals d. all of the above

200. ml of 3.00 m nacl solution is diluted to a final volume of 500. ml. what is the molarity of the final solution?

What is the atomic number of an atom that has 6 protons

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.