Submitted by Ok_Kareem_7223 t3_10qviic in askscience
haysoos2 t1_j6yc1fe wrote
Reply to comment by Appaulingly in What are the effects of adding rock salt to a cooler full of ice? by Ok_Kareem_7223
But if the ice and the water are all at 0⁰ C, then they're going to stay at 0⁰ C no matter how much salt you pour in.
The only way the water goes below 0⁰ C is if the ice starts below zero.
Appaulingly t1_j6ycp2e wrote
This is not true. You can do the kitchen experiment yourself.
haysoos2 t1_j6ydj06 wrote
Which part isn't true?
Appaulingly t1_j6ygnxs wrote
When you add salt to ice+water the temperature decreases. Your misconception is that somehow energy is being removed from the system.
haysoos2 t1_j6ypc3p wrote
I am extraordinarily skeptical that the temperature will actually decrease if all of the components are already at 0 C.
Appaulingly t1_j6yujev wrote
If you had water that was for example at 105C, you're stating it would stay at 105C as it boils? And that the boiling would not lead to a decrease in the temperature?
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