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Consider the following thermochemical equations. PCl5(s) → PCl3(g) + Cl2(g) ΔHrxn∘ = 87.9 kJ mol 2P(s) + 3Cl2(g) → 2PCl3(g) ΔHrxn∘ = −574 kJ mol Using this data, determine the heat of formation for PCl5. Your answer should have three significant figures. Provide your answer below: kJ/mol

Consider the following thermochemical equations. PCl5(s) → PCl3(g) + Cl2(g) ΔHrxn∘ = 87.9 kJ mol 2P(s) + 3Cl2(g) → 2PCl3(g) ΔHrxn∘ = −574 kJ mol Using this data, determine the heat of formation for PCl5. Your answer should have three significant figures. Provide your answer below: kJ/mol

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Consider the following thermochemical equations.
P C l 5 ( s ) → P C l 3 ( g ) + C l 2 ( g ) Δ H r x n ∘ = 87.9 k J m o l 2 P ( s ) + 3 C l 2 ( g ) → 2 P C l 3 ( g ) Δ H r x n ∘ = − 574 k J m o l
Using this data, determine the heat of formation for P C l 5 .
  • Your answer should have three significant figures.
Provide your answer below: ◻ k J / m o l

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