10. For the reaction H₂(g) + O₂(g) → H₂O(l) H=-286 kJ/mol What is the enthalpy change when 10.4 mol of hydrogen gas reacts with excess oxygen? a. 27.5 kJ b.-27.5 kJ c. 3.64 x 10-2 J d. -2.97 × 10³ J e.

10. For the reaction

H₂(g) + O₂(g) → H₂O(l)
H=-286 kJ/mol
What is the enthalpy change when 10.4 mol of hydrogen gas reacts with excess oxygen?
a. 27.5 kJ
b.-27.5 kJ
c. 3.64 x 10-2 J
d. -2.97 × 10³ J
e. -1.48 x 10³ J

1 Answer

10. For the reaction H₂(g) + O₂(g) → H₂O(l) H=-286 kJ/mol What is the enthalpy change when 10.4 mol of hydrogen gas reacts with excess oxygen? a. 27.5 kJ b.-27.5 kJ c. 3.64 x 10…

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