I do not understand why for mixtures freezing point is lower than melting point. Are not the two representing the same equilibrium between solid and liquid which we are approaching from two different sides, so why should the temperature at which this happens be different for the two cases?
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According to the values of boiling points that I found on internet the order is as follows: $\ce{H2O}$ > $\ce{HF}$ > $\ce{NH3}$ I was ...
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First mechanism is the one taught in lecture, and I wondered why the electrons from carbonyl Oxygen wouldn't react with thionyl chloride...
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彼ならそれくらいの事はいいかねない Translation: He can say such things. I don’t understand what this なら is added to 彼. I’ve seen it more than once too. Answ...
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I have seen people seemingly careful to sit down when beginning the paragraph of prayers that starts " Ashre yosh've vesecha "...
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