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LDL (low density lipids) is a mixture of several lipids so it can not be represented by a single formula.
A chemical reaction can be represented by a chemical equation.
A lead-acid battery works because of chemical changes inside it with sulfuric acid and lead. When the temperature falls, the strength of these chemical reactions fall, too. This results in less battery capacity.
The main chemical in a battery + an explosion = a chemical reaction to a battery
Be is the chemical symbol for Beryllium.
A chemical compound is represented by a specific combination of chemical elements bonded together in a specific ratio. This combination is represented by a chemical formula that shows the type and number of atoms of each element in the compound.
Water, with the chemical formula H2O, is a common example of a material that can be represented by a chemical formula. This formula indicates that water is composed of two hydrogen atoms and one oxygen atom.
A chemical reaction is represented by a chemical equation.
Nitrogen
Compound
A battery stores energy in the form of chemical energy. When a battery is connected in a circuit, this chemical energy is converted into electrical energy to power devices.
Chemical energy is stored in a battery. When the battery is connected in a circuit, the chemical energy is converted into electrical energy which can power devices.