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Consider the reaction
4NH3(g)+ 7O2(g)
2N2O4(g)+ 6H2O(g)If,initially,[NH3(g)] = [O2(g)] = 3.60 M,at equilibrium,[N2O4(g)] = 0.60 M.Calculate the equilibrium concentrations of all other species.
Cardinality
In database design, it refers to the uniqueness of data values that can be contained in a particular column or attribute.
Entity
Something that exists independently with a distinctive identity, especially in the context of databases where it refers to an object about which data can be stored.
Cardinality
In database design, it refers to the uniqueness of data values contained in a column; in relationships, it describes the attributes of the relationship between tables.
Entity
An entity can refer to any individual, company, organization, or system that exists as a singular, identifiable unit.
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