SIMPLE ALGORITHM. Correct significant figures and rounding off (Conventional).  5. Given the following reactions: 2S(s) + 3O2(g) → 2SO3(g)                 ΔH = -790 kJ S(s) + O2(g) → SO2(g)                              ΔH = -297 kJ Determine the enthalpy of the reaction in which sulfur dioxide is oxidized to sulfur trioxide, 2SO2(g) + O2(g) → 2SO3(g).

Living By Chemistry: First Edition Textbook
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ChapterU5: Fire: Energy , Thermodynamics, And Oxidation-reduction
SectionU5.9: Counting Calories: Calorimetry Calculations
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SIMPLE ALGORITHM. Correct significant figures and rounding off (Conventional). 

5. Given the following reactions:

2S(s) + 3O2(g) → 2SO3(g)                 ΔH = -790 kJ

S(s) + O2(g) → SO2(g)                              ΔH = -297 kJ

Determine the enthalpy of the reaction in which sulfur dioxide is oxidized to sulfur trioxide, 2SO2(g) + O2(g) → 2SO3(g).

 

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