Calculate the temperature when ΔS(universe) equals to 0 for the following reaction: 2H2(g) + O2(g) → 2H2O(l) ΔU = −564 kJ/mol work, I = +7.5 kJ

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Q: identify number of significant digits in the below: 3009 3.000 0.004 4.500 x 108

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