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To which one of these reactions occurring at 25°C does the symbol AHf [H2SO4(1)] refer?
2H(g) + S(g) + 40(g)--> H2SO4(1)
H2(g) + S(s) +202(g) --> H2SO4(1)
H2SO4(1) --> H2(g) + S(s) +202(g)
H2SO4(1) --> 2H(g) + S(s) +40(g)

To which one of these reactions occurring at 25C does the symbol AHf H2SO41 refer 2Hg Sg 40ggt H2SO41 H2g Ss 202g gt H2SO41 H2SO41 gt H2g Ss 202g H2SO41 gt 2Hg class=

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