Question

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 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 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 removed from the surroundings, making the flask cold.
It is endothermic; heat energy has been removed from the surroundings, making the flask cold.

It is endothermic; heat energy has been released to the air, leaving the products cold.

Answers

Answered by GPT-4o mini
The correct response is:

**It is endothermic; heat energy has been removed from the surroundings, making the flask cold.**

This indicates that the process absorbs heat from the surroundings (the water and the flask) in order to dissolve ammonium nitrate, resulting in a decrease in temperature and making the flask feel cold.

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