The chemical equation for the water gas reaction between CO and steam is CO (g) + H₂O (g) → CO₂ (g) + H₂ (g) Determine the enthalpy of reaction at 25°C and 1 atm. Sucrose (C₁2H22011) burns at 25°C to form CO₂ gas and liquid H₂O, releasing 5,640,000 kJ/kmol of heat according to the equation C12H22O11 (s) + 120₂ (g) → 12CO₂ (g) + 11H₂O (1) + 5,640,000 kJ/kmol Determine the enthalpy of formation of sucrose. Propane gas at room temperature is burned with enough air so that combustion is complete and gases leave the burner at 1400 K. The combustion gas is then mixed with sufficient air so that the resulting gas mixture for drying is at 400 K. How many moles of gas are available for drying per mole of propane burned?
Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
Step by step
Solved in 3 steps