When ammonium nitrate is dissolved in water in a flask, the flask becomes cold. Is this an endothermic or exothermic reaction? How do you know?(1 point) Responses It is exothermic; heat energy has been released to the air, leaving the products cold. It is exothermic; heat energy has been released to the air, leaving the products cold. It is endothermic; heat energy has been released to the air, leaving the products cold. It is endothermic; heat energy has been released to the air, leaving the products cold. It is exothermic; heat energy has been removed from the surroundings, making the flask cold. It is exothermic; heat energy has been removed from the surroundings, making the flask cold. It is endothermic; heat energy has been removed from the surroundings, making the flask cold.
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