2SO2(g) + O2(g) → 2SO3(g) ΔH°= –196 kJ
2S(s) + 3O2(g) → 2SO3(g) ΔH°= –790 kJ
2SO2 + O2 → 2SO3(g) ΔH°= -196 kJ.
2S + 3O2 → 2SO3(g) ΔH°= - 790 kJ.

Given the data above, what is ΔH°delta for the below mention reaction?

S(s) + O2(g) → SO2(g)

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water

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