When 16.35 moles of SI reacts with 11.26 moles of N2, how many moles of SI3N4 are formed

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —

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.