Liquid nitrogen<span> is </span>nitrogen<span> in a </span>liquid<span> state at an extremely low temperature. It is a colorless clear </span>liquid<span> with a density of 0.807 g/ml </span>
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The law of conservation of mass states that mass is neither created nor destroyed but the mass of the system must remain constant over time. The total number of atoms in the reactants is equal to the total number of atoms in the product. Therefore, this chemical equation shows that energy is conserved and demonstrates the law of conservation of mass.
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