Which of these one change leads
to absorption of energy-
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Answer:
A reaction in which energy is absorbed from the surroundings is called an endothermic reaction. In endothermic reactions the enthalpy of the products is greater than the enthalpy of the reactants. Because reactions release or absorb energy, they affect the temperature of their surroundings.
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1
Answer:
Explanation:
The process O − (g) +e − ⟶O 2− (g)
involves absorption of energy.
When a neutral atom gains an electron, energy is released. When an anion (having unit negative charge) gains an electron, energy is absorbed. This is due to the repulsion between the additional electron and negatively charged anion.
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