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Red phosphorus reacts with liquid bromin...

Red phosphorus reacts with liquid bromine as :
`2P(s) + 3Br_(2)(l) to 2PBr_(3)(g) Delta_(r)H^(@) = - 243` kJ.
Calculate the enthalpy change when 10.32 g of phosphorus reacts with an excess of bromine.

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To calculate the enthalpy change when 10.32 g of phosphorus reacts with an excess of bromine, we can follow these steps: ### Step 1: Write the balanced chemical equation The balanced chemical equation for the reaction is: \[ 2P(s) + 3Br_2(l) \rightarrow 2PBr_3(g) \] The enthalpy change for this reaction is given as: ...
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