When a chemical bond is broken, energy is required to break the bond. This means the bond breaking process is endothermic.
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Q37: An exothermic reaction has a _ enthalpy
Q38: The enthalpy change of a reaction is
Q39:
Q40: The combustion of glucose in oxygen
Q41: The combustion of butane in oxygen
Q43: Match the description with the state of
Q44: Match the description with the state of
Q45: Match the description with the state of
Q46: Match the transition between two states of
Q47: Match the transition between two states of
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