Applications of ΔE
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Experiments are used to determine enthalpy changes for reactions and combustion.
Exothermic and endothermic reactions have multiple uses in everyday life as heat release or absorption can be useful.
Chemical cells use a chemical reaction to produce voltage (electricity) with similar apparatus to electrolysis. These small cells can be connected to make a battery. Fuel cells (shown) provide a continous voltage when supplied with a constant supply of fuel and oxygen to produce electrical energy.
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