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a group of atoms held together by chemical bonds.
during hydrocracking a high hydrogen concentration (partial pressure) ensures that any shorter...
a heterogeneous mixture with a stable distribution of a liquid in another liquid, for example,...
a collection of more than one pure substance in no fixed proportion.
the reactant that is completely consumed and determines how much product can be formed.
the movement of particles suspended in a fluid (a liquid or a gas) as a result of being bumped...