Can a hot water urn that is used throughout the year be used for Passover? If not, what is the reasoning why, if it is only used for water (i.e., not coffee). Would the same reasoning hold for a SodaStream dispenser?
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periodic trends - Comparing radii in lithium, beryllium, magnesium, aluminium and sodium ions
Apparently the of last four, $\ce{Mg^2+}$ is closest in radius to $\ce{Li+}$. Is this true, and if so, why would a whole larger shell ($\ce{...
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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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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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I've been reading bits and pieces online but I just can't piece it all together. I have some background knowledge of signals / DSP s...
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