QUESTION 2 Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction: Given: P4(g) + 10 Cl₂(g) PC15(s) P4(g) + 6 Cl₂(g) -1,778kJ - PC13(g) + Cl₂(g) 4 PC15(s) ->>> 4 PC13(g) AH°rxn = ? AH°rxn = +144 kJ AH'rxn=-1202 kJ

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QUESTION 2
Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction:
Given:
P4(g) + 10 Cl₂(g) → 4 PC15(s)
PC15(s) PC13(g) + Cl2(g)
P4(9) + 6 Cl₂(g) → 4 PCl3(g)
-1,778kJ
QUESTION 3
AH°rxn = ?
AH°rxn = +144 kJ
AHᵒrxn=-1202 kJ
An endothermic reaction has
a positive AH, absorbs heat from the surroundings, and feels warm to the touch.
a negative AH, gives off heat to the surroundings, and feels warm to the touch.
Transcribed Image Text:-83.7kJ QUESTION 2 Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction: Given: P4(g) + 10 Cl₂(g) → 4 PC15(s) PC15(s) PC13(g) + Cl2(g) P4(9) + 6 Cl₂(g) → 4 PCl3(g) -1,778kJ QUESTION 3 AH°rxn = ? AH°rxn = +144 kJ AHᵒrxn=-1202 kJ An endothermic reaction has a positive AH, absorbs heat from the surroundings, and feels warm to the touch. a negative AH, gives off heat to the surroundings, and feels warm to the touch.
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