What happens when you add H2 to the reaction N2 3H2<-> 2NH3 (i have it written down as an exothermic reaction if that help)

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.

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize

What is the percent by mass of magnesium sulfate in mgso4.7h2o