HELP ASAP PLEASE. What stress would shift the equilibrium position of the following system to the right? N2O3(g) ⇌ NO(g) + NO2(g); ΔH is positive Increasing the concentration of N2O3 Heating the system Adding a catalyst Decreasing the concentration of NO

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 these is a physical property

Apound is approximately 0.45 kilogram. a persons weighs 87 kilograms. what is the persons’s weight, in pounds, when expressed to the correct number of significant figures