Does Water Ever Expire?
Have you ever left a glass of water out overnight, and it tasted terrible the next day? Does water go bad? Read More: Shellfish Face An Uncertain Future In High Carbon Dioxide World http://www...
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Why does my bottled water have an expiration date? Does this stuff actually go bad?Hi everyone, Julian here for DNews. Have you ever left a glass of water out overnight,and the next day taken a drink and noticed it tasted funny? Does that mean the wateris going bad, what’s happening here?Well the water itself doesn’t have any sugars or proteins like food so microbes aren’tconsuming it and rotting it. However, that’s not to say the chemistry of the water hasn’tchanged. By being exposed to air, the water absorbs some CO2 and a tiny portion of that,about 0.13%, is converted into carbonic acid. Some carbonic acid will then lose a protonor two, forming bicarbonate and carbonate respectively. This lowers the pH of water,making it slightly acidic, and changing the...
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Why does my bottled water have an expiration date? Does this stuff actually go bad?Hi everyone, Julian here for DNews. Have you ever left a glass of water out overnight,and the next day taken a drink and noticed it tasted funny? Does that mean the wateris going bad, what’s happening here?Well the water itself doesn’t have any sugars or proteins like food so microbes aren’tconsuming it and rotting it. However, that’s not to say the chemistry of the water hasn’tchanged. By being exposed to air, the water absorbs some CO2 and a tiny portion of that,about 0.13%, is converted into carbonic acid. Some carbonic acid will then lose a protonor two, forming bicarbonate and carbonate respectively. This lowers the pH of water,making it slightly acidic, and changing the...
