What volume of 6.00m hcl can be made from 319 ml of 6.80m hcl?

Compare and contrast physical changes with chemical changes.

How have the greenhouse gasses increased from the year 2000 to 2018

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.