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question
In my book it says that XeO4 is a pale yellow solid, that is explosive (∆fH=+642 kJmol^-1). This number, why quote it like that?
Is it because:
Xe + 2O2 => XeO4 ∆fH=+642 kJmol^-1
And therefore:
XeO4 => Xe + 2O2 ∆H=-642 kJmol^-1 (Which is a very exothermic quantity).
Is it because:
Xe + 2O2 => XeO4 ∆fH=+642 kJmol^-1
And therefore:
XeO4 => Xe + 2O2 ∆H=-642 kJmol^-1 (Which is a very exothermic quantity).
yeah that's reasonable 
Cheers people.
I ought to rep you but I know it would not do any good.
I ought to rep you but I know it would not do any good.
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