Aluminum reacts with potassium bromide to produce aluminum bromide (AIBr 3) and potassium. Write and balance the equation, and calculate showing all work the number of moles of potassium bromide required to react with 0.87 moles of Al.​

"standard molar enthalpy:

h2o ( liquid water ) : - 285.8 kj/mole

h2o ( water vapor ) : - 241.8 kj / mole.

δhrxn = - 241. 8 - ( - 285.8 )= -241.8 + 285.8 = 44.0

answer: 44.0 kj"

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c, liquids evaporate, creating a gas