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CHEM QUESTION: The constant of a reaction is 0.025 M-1 s-1. If [A]0=8.00 M what is the concentration of A after 25 seconds? please show work? How to show that for each integer n≥0, 1+10^(231+462n) is divisible by the squares of at least two different primes? Is hartford train station open 24 hours? X^3+4x=4+x^2 simplify i got stuck? KBrO3 oxidation numbers for each element?