Homework Clinic

Science Clinic => Chemistry => Topic started by: newyorker26 on Nov 18, 2019

Title: Identify the compound with the lowest standard Gibbs energy of formation.
Post by: newyorker26 on Nov 18, 2019

Question 1

Calculate ΔρS° for the following reaction. The S° for each species is shown below the reaction.

P4(g) + 10Cl2(g) → 4PCl5(g)

S°(J K-1 mol-1)

280.0

223.1

364.6

◦ -583.6 J K-1 mol-1
◦ +171.3 J K-1 mol-1
◦ +2334.6 J K-1 mol-1
◦ -1052.6 J K-1 mol-1
◦ -138.5 J K-1 mol-1

Question 2

Identify the compound with the lowest standard Gibbs energy of formation.
◦ N2(g)
◦ O3(g)
◦ NaCl(s)
◦ NO(g)
◦ Cl2(g)

Title: Identify the compound with the lowest standard Gibbs energy of formation.
Post by: Kjones0604 on Nov 18, 2019

Answer 1

-1052.6 J K-1 mol-1

Answer 2

NaCl(s)