Why does ice crack when a drink is poured on it?












3












$begingroup$


I think most people have experienced this, but while pouring a beverage over ice I noticed the ice cracked.



Before

Before



After

After



My initial thought was that because the beverage has an antifreeze property to it, that some sort of thermal shock might occur due to the rapid local cooling from dissolving the ice, but I know that this also occurs when other beverages such as various flavored carbonated sugar water products are poured on ice which do not depress freezing as much. So then What would cause the ice to crack?






everyday-chemistry phase







share|improve this question











$endgroup$








  • 3




    $begingroup$
    Not related to the question, just fun fact: declassified KGB memos from 1970s on how to recognize a spy listed that the one is most likely going to add ice to its beverage and prolong the drinking process, whereas soviets wouldn't bother with ice and drink the glass in one gulp :D
    $endgroup$
    – andselisk
    8 hours ago


















3












$begingroup$


I think most people have experienced this, but while pouring a beverage over ice I noticed the ice cracked.



Before

Before



After

After



My initial thought was that because the beverage has an antifreeze property to it, that some sort of thermal shock might occur due to the rapid local cooling from dissolving the ice, but I know that this also occurs when other beverages such as various flavored carbonated sugar water products are poured on ice which do not depress freezing as much. So then What would cause the ice to crack?






everyday-chemistry phase







share|improve this question











$endgroup$








  • 3




    $begingroup$
    Not related to the question, just fun fact: declassified KGB memos from 1970s on how to recognize a spy listed that the one is most likely going to add ice to its beverage and prolong the drinking process, whereas soviets wouldn't bother with ice and drink the glass in one gulp :D
    $endgroup$
    – andselisk
    8 hours ago
















3












3








3


2



$begingroup$


I think most people have experienced this, but while pouring a beverage over ice I noticed the ice cracked.



Before

Before



After

After



My initial thought was that because the beverage has an antifreeze property to it, that some sort of thermal shock might occur due to the rapid local cooling from dissolving the ice, but I know that this also occurs when other beverages such as various flavored carbonated sugar water products are poured on ice which do not depress freezing as much. So then What would cause the ice to crack?






everyday-chemistry phase







share|improve this question











$endgroup$




I think most people have experienced this, but while pouring a beverage over ice I noticed the ice cracked.



Before

Before



After

After



My initial thought was that because the beverage has an antifreeze property to it, that some sort of thermal shock might occur due to the rapid local cooling from dissolving the ice, but I know that this also occurs when other beverages such as various flavored carbonated sugar water products are poured on ice which do not depress freezing as much. So then What would cause the ice to crack?






everyday-chemistry phase




everyday-chemistry phase






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 3 mins ago







A.K.

















asked 8 hours ago









A.K.A.K.

8,86842162




8,86842162








  • 3




    $begingroup$
    Not related to the question, just fun fact: declassified KGB memos from 1970s on how to recognize a spy listed that the one is most likely going to add ice to its beverage and prolong the drinking process, whereas soviets wouldn't bother with ice and drink the glass in one gulp :D
    $endgroup$
    – andselisk
    8 hours ago
















  • 3




    $begingroup$
    Not related to the question, just fun fact: declassified KGB memos from 1970s on how to recognize a spy listed that the one is most likely going to add ice to its beverage and prolong the drinking process, whereas soviets wouldn't bother with ice and drink the glass in one gulp :D
    $endgroup$
    – andselisk
    8 hours ago










3




3




$begingroup$
Not related to the question, just fun fact: declassified KGB memos from 1970s on how to recognize a spy listed that the one is most likely going to add ice to its beverage and prolong the drinking process, whereas soviets wouldn't bother with ice and drink the glass in one gulp :D
$endgroup$
– andselisk
8 hours ago






$begingroup$
Not related to the question, just fun fact: declassified KGB memos from 1970s on how to recognize a spy listed that the one is most likely going to add ice to its beverage and prolong the drinking process, whereas soviets wouldn't bother with ice and drink the glass in one gulp :D
$endgroup$
– andselisk
8 hours ago












2 Answers
2






active

oldest

votes


















6












$begingroup$

I believe the ice cracked due to residual strains from freezing. Since ice freezes from the outside inward and it expands as it freezes, that as the inner water freezes, it imparts a tensile force on the surrounding ice (like the opposite effect of tempering glass). As the warm liquid removes ice, the cross sectional area under tension decreases while the tensile force remains the same, causing an increase in stress. Once the stress reaches a certain point, the ice fails to counter the tension mechanically, causing the cracks.






share|improve this answer









$endgroup$





















    1












    $begingroup$

    Water freezing into ice EXPANDS. ($ce{H2O}$ is most dense at $pu{4^circ C = 39^circ F}$) - https://sciencestruck.com/density-of-water. In other words, water expands BOTH as it cools below $pu{4^circ C}$, AND as it warms above $pu{4^circ C}$.



    When you pour a (warmer) liquid over the ice, it CONTRACTS as it warms up towards $pu{4^circ C}$, then expands again as it warms above $pu{4^circ C}$. Since ice is a brittle solid crystal lattice, it cracks as it is forced to contract and expand as the warmer liquid warms up the ice.



    (You can see the expansion of $ce{H2O}$ as it freezes - notice in an ice tray, or a hose, it expands as it freezes. If you freeze water in a glass, it will break the glass.)






    share|improve this answer










    New contributor




    chriss is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.






    $endgroup$













    • $begingroup$
      Welcome to Chemistry.SE! Please note that formulas can be better expressed with $ce{ }$ for chemical formulas/equations, $ $ for math term/equations, and $pu{ }$ for units. More information is available in this meta post Also, take a minute to look over the help center and tour page to better understand our guidelines and question policies if you haven't already.
      $endgroup$
      – A.K.
      30 mins ago










    • $begingroup$
      I'm not sure how this is an answer. If the Ice goes above $pu{0^circ C}$ then it would be a liquid. COuld you revise this answer to be more descriptive?
      $endgroup$
      – A.K.
      28 mins ago











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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    6












    $begingroup$

    I believe the ice cracked due to residual strains from freezing. Since ice freezes from the outside inward and it expands as it freezes, that as the inner water freezes, it imparts a tensile force on the surrounding ice (like the opposite effect of tempering glass). As the warm liquid removes ice, the cross sectional area under tension decreases while the tensile force remains the same, causing an increase in stress. Once the stress reaches a certain point, the ice fails to counter the tension mechanically, causing the cracks.






    share|improve this answer









    $endgroup$


















      6












      $begingroup$

      I believe the ice cracked due to residual strains from freezing. Since ice freezes from the outside inward and it expands as it freezes, that as the inner water freezes, it imparts a tensile force on the surrounding ice (like the opposite effect of tempering glass). As the warm liquid removes ice, the cross sectional area under tension decreases while the tensile force remains the same, causing an increase in stress. Once the stress reaches a certain point, the ice fails to counter the tension mechanically, causing the cracks.






      share|improve this answer









      $endgroup$
















        6












        6








        6





        $begingroup$

        I believe the ice cracked due to residual strains from freezing. Since ice freezes from the outside inward and it expands as it freezes, that as the inner water freezes, it imparts a tensile force on the surrounding ice (like the opposite effect of tempering glass). As the warm liquid removes ice, the cross sectional area under tension decreases while the tensile force remains the same, causing an increase in stress. Once the stress reaches a certain point, the ice fails to counter the tension mechanically, causing the cracks.






        share|improve this answer









        $endgroup$



        I believe the ice cracked due to residual strains from freezing. Since ice freezes from the outside inward and it expands as it freezes, that as the inner water freezes, it imparts a tensile force on the surrounding ice (like the opposite effect of tempering glass). As the warm liquid removes ice, the cross sectional area under tension decreases while the tensile force remains the same, causing an increase in stress. Once the stress reaches a certain point, the ice fails to counter the tension mechanically, causing the cracks.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered 8 hours ago









        A.K.A.K.

        8,86842162




        8,86842162























            1












            $begingroup$

            Water freezing into ice EXPANDS. ($ce{H2O}$ is most dense at $pu{4^circ C = 39^circ F}$) - https://sciencestruck.com/density-of-water. In other words, water expands BOTH as it cools below $pu{4^circ C}$, AND as it warms above $pu{4^circ C}$.



            When you pour a (warmer) liquid over the ice, it CONTRACTS as it warms up towards $pu{4^circ C}$, then expands again as it warms above $pu{4^circ C}$. Since ice is a brittle solid crystal lattice, it cracks as it is forced to contract and expand as the warmer liquid warms up the ice.



            (You can see the expansion of $ce{H2O}$ as it freezes - notice in an ice tray, or a hose, it expands as it freezes. If you freeze water in a glass, it will break the glass.)






            share|improve this answer










            New contributor




            chriss is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.






            $endgroup$













            • $begingroup$
              Welcome to Chemistry.SE! Please note that formulas can be better expressed with $ce{ }$ for chemical formulas/equations, $ $ for math term/equations, and $pu{ }$ for units. More information is available in this meta post Also, take a minute to look over the help center and tour page to better understand our guidelines and question policies if you haven't already.
              $endgroup$
              – A.K.
              30 mins ago










            • $begingroup$
              I'm not sure how this is an answer. If the Ice goes above $pu{0^circ C}$ then it would be a liquid. COuld you revise this answer to be more descriptive?
              $endgroup$
              – A.K.
              28 mins ago
















            1












            $begingroup$

            Water freezing into ice EXPANDS. ($ce{H2O}$ is most dense at $pu{4^circ C = 39^circ F}$) - https://sciencestruck.com/density-of-water. In other words, water expands BOTH as it cools below $pu{4^circ C}$, AND as it warms above $pu{4^circ C}$.



            When you pour a (warmer) liquid over the ice, it CONTRACTS as it warms up towards $pu{4^circ C}$, then expands again as it warms above $pu{4^circ C}$. Since ice is a brittle solid crystal lattice, it cracks as it is forced to contract and expand as the warmer liquid warms up the ice.



            (You can see the expansion of $ce{H2O}$ as it freezes - notice in an ice tray, or a hose, it expands as it freezes. If you freeze water in a glass, it will break the glass.)






            share|improve this answer










            New contributor




            chriss is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.






            $endgroup$













            • $begingroup$
              Welcome to Chemistry.SE! Please note that formulas can be better expressed with $ce{ }$ for chemical formulas/equations, $ $ for math term/equations, and $pu{ }$ for units. More information is available in this meta post Also, take a minute to look over the help center and tour page to better understand our guidelines and question policies if you haven't already.
              $endgroup$
              – A.K.
              30 mins ago










            • $begingroup$
              I'm not sure how this is an answer. If the Ice goes above $pu{0^circ C}$ then it would be a liquid. COuld you revise this answer to be more descriptive?
              $endgroup$
              – A.K.
              28 mins ago














            1












            1








            1





            $begingroup$

            Water freezing into ice EXPANDS. ($ce{H2O}$ is most dense at $pu{4^circ C = 39^circ F}$) - https://sciencestruck.com/density-of-water. In other words, water expands BOTH as it cools below $pu{4^circ C}$, AND as it warms above $pu{4^circ C}$.



            When you pour a (warmer) liquid over the ice, it CONTRACTS as it warms up towards $pu{4^circ C}$, then expands again as it warms above $pu{4^circ C}$. Since ice is a brittle solid crystal lattice, it cracks as it is forced to contract and expand as the warmer liquid warms up the ice.



            (You can see the expansion of $ce{H2O}$ as it freezes - notice in an ice tray, or a hose, it expands as it freezes. If you freeze water in a glass, it will break the glass.)






            share|improve this answer










            New contributor




            chriss is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.






            $endgroup$



            Water freezing into ice EXPANDS. ($ce{H2O}$ is most dense at $pu{4^circ C = 39^circ F}$) - https://sciencestruck.com/density-of-water. In other words, water expands BOTH as it cools below $pu{4^circ C}$, AND as it warms above $pu{4^circ C}$.



            When you pour a (warmer) liquid over the ice, it CONTRACTS as it warms up towards $pu{4^circ C}$, then expands again as it warms above $pu{4^circ C}$. Since ice is a brittle solid crystal lattice, it cracks as it is forced to contract and expand as the warmer liquid warms up the ice.



            (You can see the expansion of $ce{H2O}$ as it freezes - notice in an ice tray, or a hose, it expands as it freezes. If you freeze water in a glass, it will break the glass.)







            share|improve this answer










            New contributor




            chriss is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.









            share|improve this answer



            share|improve this answer








            edited 31 mins ago









            A.K.

            8,86842162




            8,86842162






            New contributor




            chriss is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.









            answered 1 hour ago









            chrisschriss

            11




            11




            New contributor




            chriss is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.





            New contributor





            chriss is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.






            chriss is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.












            • $begingroup$
              Welcome to Chemistry.SE! Please note that formulas can be better expressed with $ce{ }$ for chemical formulas/equations, $ $ for math term/equations, and $pu{ }$ for units. More information is available in this meta post Also, take a minute to look over the help center and tour page to better understand our guidelines and question policies if you haven't already.
              $endgroup$
              – A.K.
              30 mins ago










            • $begingroup$
              I'm not sure how this is an answer. If the Ice goes above $pu{0^circ C}$ then it would be a liquid. COuld you revise this answer to be more descriptive?
              $endgroup$
              – A.K.
              28 mins ago


















            • $begingroup$
              Welcome to Chemistry.SE! Please note that formulas can be better expressed with $ce{ }$ for chemical formulas/equations, $ $ for math term/equations, and $pu{ }$ for units. More information is available in this meta post Also, take a minute to look over the help center and tour page to better understand our guidelines and question policies if you haven't already.
              $endgroup$
              – A.K.
              30 mins ago










            • $begingroup$
              I'm not sure how this is an answer. If the Ice goes above $pu{0^circ C}$ then it would be a liquid. COuld you revise this answer to be more descriptive?
              $endgroup$
              – A.K.
              28 mins ago
















            $begingroup$
            Welcome to Chemistry.SE! Please note that formulas can be better expressed with $ce{ }$ for chemical formulas/equations, $ $ for math term/equations, and $pu{ }$ for units. More information is available in this meta post Also, take a minute to look over the help center and tour page to better understand our guidelines and question policies if you haven't already.
            $endgroup$
            – A.K.
            30 mins ago




            $begingroup$
            Welcome to Chemistry.SE! Please note that formulas can be better expressed with $ce{ }$ for chemical formulas/equations, $ $ for math term/equations, and $pu{ }$ for units. More information is available in this meta post Also, take a minute to look over the help center and tour page to better understand our guidelines and question policies if you haven't already.
            $endgroup$
            – A.K.
            30 mins ago












            $begingroup$
            I'm not sure how this is an answer. If the Ice goes above $pu{0^circ C}$ then it would be a liquid. COuld you revise this answer to be more descriptive?
            $endgroup$
            – A.K.
            28 mins ago




            $begingroup$
            I'm not sure how this is an answer. If the Ice goes above $pu{0^circ C}$ then it would be a liquid. COuld you revise this answer to be more descriptive?
            $endgroup$
            – A.K.
            28 mins ago


















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