Asked by Vilika

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

Answers

Answered by DrBob222
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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