An engineer examining the oxidation of SO2 in the production of sulfuric acid determines that Kc = 1.7 × 108 at 600 K: 2 SO2(g) + O2(g) ⇌ 2 SO3(g) At equilibrium, the partial pressure of SO3 = 130 atm and the partial pressure of O2 = 120 atm. Calculate the partial pressure of SO2.

Ineed ! it’s science and it’s due tomorrow!

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine

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.