Question & Answer: Use the combustion of hydrogen with oxygen to form water to answer questions 19 and 20……

Use the combustion of hydrogen with oxygen to form water to answer questions 19 and 20. Halg) + ½〇2(g) → H2O(l) What is the standard change in free energy (AG°) and spontaneity | Δσ9(25°C) / kJ-mol-1 H20() -237.2 at 25°C for the reaction above? A. -237.2 kJ; spontaneous C. 237.2 kJ; spontaneous B. -237.2 kJ; not spontaneous D. 237.2 kl; not spontaneous 20/ What will happen at elevated temperatures? A. The reaction will be non-spontaneous because As>O B. The reaction will be non-spontaneous because AS<0 C. The reaction will be spontaneous because AS >0. D. The reaction will be spontaneous because ΔS<0

Use the combustion of hydrogen with oxygen to form water to answer questions 19 and 20. H_2(g) + 1/2 O_2(g) rightarrow H_2O(l) What is the standard change in free energy (Delta G degree) and spontaneity at 25 degree C for the reaction above? A. -237.2 kJ: spontaneous B. -237.2 kJ: not spontaneous C. 237.2 kJ: spontaneous D. 237.2 kJ: not spontaneous What will happen at elevated temperatures? A. The reaction will be non-spontaneous because Delta S > 0. B. The reaction will be non-spontaneous because Delta S 0. D. The reaction will be spontaneous because Delta S

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