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Math Help - please help me

  1. #1
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    please help me

    When an amount of water gets frozen its volume increases by 1/11 of the original volume. By what
    part does the volume decrease then when the ice melts again?
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  2. #2
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    Quote Originally Posted by sri340 View Post
    When an amount of water gets frozen its volume increases by 1/11 of the original volume. By what
    part does the volume decrease then when the ice melts again?
    If you have 1 volume unit ( u_V) of water which freezes to ice you'll get 1 u_V + \frac1{11} u_V=\frac{12}{11} u_V

    When the ice is melting to water obviously you'll get again 1 u_V = \frac{11}{11} u_V. That means the volume of the ice must decrease by \frac1{12} u_V
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