Given H₂(g)+ (1/2)O₂(g) $\rarr$ H₂O(l) $\Delta$ H° = -286 KJ/mol, Determine the Standard Enthalpy Change for Determine

Multiple Choice

Given H₂(g) + (1/2) O₂(g) $\rarr$ H₂O(l) , $\Delta$ H° = -286 kJ/mol, determine the standard enthalpy change for the reaction
2H₂O(l) $\rarr$ 2H₂(g) + O₂(g) .

A) ( $\Delta$ H° = -286 kJ/mol)
B) ( $\Delta$ H° = +286 kJ/mol)
C) ( $\Delta$ H° = -572 kJ/mol)
D) ( $\Delta$ H° = +572 kJ/mol)
E) ( $\Delta$ H° = -143 kJ/mol)