Which of the following statements about energy is false? Group of answer choices A reaction cannot be exothermic overall if activation energy is required. An atom in an excited state can return to its ground state by releasing visible light. Energy transferred into a system can also be transferred out of the system. A system is the most stable when it is at its lowest energy state. Energy can be defined as whatever is required to oppose a natural tendency.
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Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
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Which of the following statements about energy is false? Group of answer choices A reaction cannot b...
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