The process described is endothermic. This is because the reaction occurring in the ice pack absorbs heat energy from the surroundings, leading to a decrease in temperature in the environment. In exothermic reactions, heat is released into the surroundings, causing an increase in temperature, whereas in endothermic reactions, heat is taken in, resulting in a cooling effect. Since the ice pack gets colder as it absorbs heat, it confirms that the reaction is endothermic.
An ice pack is cracked, starting a reaction. The ice pack decreases in temperature as the reaction absorbs heat energy from the environment. The temperature of the surroundings decreases as heat is absorbed by the ice pack. Is this process exothermic or endothermic? Explain your reasoning in 3-5 sentences.
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