Water (h2o) is composed of the same elements as hydrogen peroxide (h2o2). wht di these substances have different properties a. the atoms are arranged differently in each molecule b. the molecules are the same. c. the atoms are the same. d. water had more atoms than hydrogen peroxide

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added