In the Haber process, ammonia gas is synthesized from nitrogen gas and hydrogen gas. Î"G° at 298 K for this reaction is -33.3 kJ/mol. The value of Î"G at 298 K for a reaction mixture that consists of 192.52 kPa nitrogen gas, 233.05 kPa hydrogen gas, and 86.13 kPa ammonia gas is ________.