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When Alka-Seltzer dissolves in water, why does the temperature of the water go down?

Question

Will give medal

When Alka-Seltzer dissolves in water, why does the temperature of the water go down?

anonymous · Answer

@sangya21

anonymous · Answer

any ideas @sangya21

anonymous · Answer

Sorry I dont know about this one.

anonymous · Answer

OK thank you anyways. Do you know anyone who could help?

anonymous · Answer

I have sent the msg lets see.

anonymous · Answer

thanks!

anonymous · Answer

anytime. :)

studygurl14 · Answer

endothermic reaction

anonymous · Answer

what does that mean? Sorry I'm not very good at chemistry.

studygurl14 · Answer

An endothermic reaction is a reaction that absorbs heat.

anonymous · Answer

She's right

anonymous · Answer

ok thanks!

studygurl14 · Answer

You're welcome. :)

anonymous · Answer

it's a classic endothermic experiment

anonymous · Answer

sorry to bother you @StudyGurl14 but which part of the reaction is absorbing heat? I am writing my conclusion and though I should include something about endothermic reactions.

anonymous · Answer

alka seltzer + h20 + heat -----> products (colder)

studygurl14 · Answer

Not sure exactly which part absorbs the heat...I just know that endothermic reactions absorb heat during the reaction....

anonymous · Answer

so would the alka seltzer be absorbing the heat, and thats why CO2 is released? @nic2131

anonymous · Answer

its absorbing the heat because its required for the reaction to go forward. So the system ( which is the reactants) is taking in heat together