How many miles are in 27.4 g of NO2

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

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 a number added in front of a formula in order to balance the equation