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@orgoman22 I understand the explanation of the answer to this problem, but I am still confused by answer choice 'd' (2X -->X + Y). I am having trouble thinking of an analogous real-world scenario in which you would have 2 of the same starting molecule/atom on the left side, and end up on the right side with one same exact molecule plus one new different molecule. Is this a mistake or am I missing something?
Thanks!
Thanks!
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