What is happening
You are called to a self-heating ration pack being specified for a relief agency.
The pack is not warming its contents. It must deliver 33 600 J, the reagent releases 480 J per gram, and the charge loaded is the wrong mass.
Exothermic reactionsRunning
Heat released
70656J
Heat required
33600J
Heat released is over by 37056 J
Heat bridge. Reagent mass at 147.2 g. Heat released 70656 J, Heat required 33600 J. Currently heat released is over by 37056 J.
What has to balance