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if 150g of Ca(OH)2 is reacted with excess H2, how much energy will be needed?

  • chemistry - ,

    Write and balance the equation. It should look something like this.
    Ca(OH)2 + H2 ==> CaH2 + H2O You balance.
    Delta Hrxn = (n*delta H products)-(n*delta H reactants)

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