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chemistry

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if enthalpies for formation of p4o10, h2o and h3po4 are -2984, -285.9 and -1279 respectively calculate the enthalpy change using hess's law

  • chemistry -

    Two or three points here.
    1. You can't get lazy in chemistry and not use the caps key. Those symbols don't mean anything to me.

    2. -2984, -285.9, -1279 what units.
    3. Calculate enthalpy change for what?

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