Suppose the reaction 
produces 1.21 10-12 J of energy (1.21 10-12 kg .m2/s2).Calculate the change in mass that occurs during the reaction in amu.E = mc2,where c = 2.998 108 m/s;
1 kg = 6.0221415 1026 amu.
Definitions:
Aquatic Ecosystems
Water-based environments, including oceans, lakes, rivers, and wetlands, where plants and animals interact.
Dissolved Phosphorus
Phosphorus that is in a soluble form in water, available to organisms for uptake and essential for biological processes such as energy transfer.
Decomposition
The process by which organic substances are broken down into simpler organic or inorganic matter, primarily by microbial action.
Trophic Level
The position an organism occupies in a food chain, based on its feeding habits.
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