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a process that takes energy into the system. This increases the internal energy of the system (increases the enthalpy of the system).
a collection of more than one pure substance in no fixed proportion.
contains an unpaired electron on a carbon atom bonded to two other carbon atoms.
a chemical reaction in which a solid product forms from aqueous (aq) reactants.
the use of a catalyst to bring about the cracking of mineral oils that boil at high temperatures...
Ernest Rutherford carried out the famous experiment that led to the hypothesis of the nuclear...