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OpenStudy (anonymous):
what is the amt of heat released in 2zn+o2-->2zno
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OpenStudy (chmvijay):
LOL question is not complete i think something missing :)
OpenStudy (anonymous):
dry chem. hand warmers are small flexible pouches that produce heat when removed from pouches. they use oxidation of iron to produce the heat the hrxn=-1648.4kj. instead of iron if u use zinc what will be the amt of heat released use enthalpy values
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