The changes the masses of chalk on the scale because when it was dropped in Golden Hammer
When 2 molecules of pyruvate from glycolysis enters the mitochondria,
2 molecules of CO2 are released
If the value of H is positive, it means you have to add that much heat to complete the reaction. If H is negative, it means that much heat is released during the chemical process. Because it is -73 kJ, 73 kJ of heat are released in the reaction.
