Without looking up any numerical data or doing calculations, predict whether the following enthalpy changes should be

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Without looking up any numerical data or doing calculations, predict whether the following enthalpy changes should be positive, negative, or zero.
(a) ΔHf° for H2(g)
(b) ΔHf° for O(g)
(c) ΔHfusion for H2O
(d) ΔHcombustion for C3H8(g)

Temperature Temperature Heat supplied Heat supplied Temperature Temperature (d) Heat supplied Heat supplied

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Chemistry For Engineering Students

ISBN: 9780357026991

4th Edition

Authors: Lawrence S. Brown, Tom Holme

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