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Science Clinic => Chemistry => Topic started by: olgavictoria on Nov 18, 2019

Title: The value of fG at 161.0 C for the formation of phosphorus trichloride from its constituent ...
Post by: olgavictoria on Nov 18, 2019

Question 1

Which one of the following would be expected to have the lowest standard molar entropy, S°, at 25 °C?
◦ C10H22(l)
◦ C14H₃₀OH(l)
◦ C14H30(s)
◦ C10H22(s)

Question 2

The value of ΔfG° at 161.0 °C for the formation of phosphorus trichloride from its constituent elements,

P₂(g) + 3Cl₂(g) → 2PCl₃(g)

is ________ kJ mol-1. At 25.0 °C for this reaction, ΔfH° is -720.5 kJ mol-1 and is .
◦ 1.14 × 105
◦ -606.1
◦ 4.17 × 104
◦ -678.0
◦ -834.9

Title: The value of fG at 161.0 C for the formation of phosphorus trichloride from its constituent ...
Post by: zoeyesther on Nov 18, 2019

Answer 1

C10H22(s)

Answer 2

-606.1