THERMODYNAMICS: Calculate the value of AH (in kJ) for the reaction, 2AR3 (g) + Q (s) –→ A2R4 (g) + QR2 (s) given the following hypothetical thermochemical equations: 2AR3 (g) + 2AX (g) – A2R4 (g) +...

Extracted text: THERMODYNAMICS: Calculate the value of AH (in kJ) for the reaction, 2AR3 (g) + Q (s) –→ A2R4 (g) + QR2 (s) given the following hypothetical thermochemical equations: 2AR3 (g) + 2AX (g) – A2R4 (g) + 2XAR (g) AH = -89.7 kJ AX (g) + %R2 (g) - XAR (g) AH = -163.1 kJ Q (s) + R2 (g) – QR2 (s) AH = -508.4 kJ (Round off the final answer to ONE decimal place. Do not include the unit.)