Asked Nov 5, 2019



for the reaction
H2(g) + I2(g) ⇌ 2HI(g)
is 2.60 kJ/mol at 25


C. Calculate


G, and predict the direction in which the reaction is spontaneous. The initial pressures are:
PH2 = 3.10 atm


PI2 = 1.5 atm


PHI 1.75 atm


G =



The reaction is spontaneous in the forward direction.
The reaction is spontaneous in the reverse direction.
Cannot be determined.

Expert Answer

Step 1

Image Transcriptionclose

The bllows = 2HI ginen reaction is тъg AG aa5c 2.60 KT Mol Inibial Pressurc are As llons 1S alm 15 atm کہ

Step 2

Image Transcriptionclose

The AG at a5'c(298 K) is calculated as AG AC + RT lu 260 K(mol +(8 314T Kmolx 298 K) lnHT"

Step 3

Image Transcriptionclose

2417.532 Tmor ln 5) 10)( 15) 260 KTmot" x lo00 IkJ AG = 2600 J mol 247 572 Jmol tu3.0625 4.65 2600 Jmol" + 24T1:572 Tmol ln (0.6586) = 2600 T mol"+ 24 17:512 J mol" (-O411) 2600 T mol l034 63 T mOl AG 1565.31 mol KJ lo00 57 KJ mol 46 =


Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Equilibrium Concepts

Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A

Q: An electrical heater is used to supply 85.0 J of energy to a 25.0 g sample of aluminum, originally a...

A: As per the data given in the question,Specific heat capacity for aluminum = 24.35 J/mol KEnergy = 85...


Q: Use standard enthalpies of formation to determine ΔHºrxn  (kJ) for : 2SO2 (g) + O2 (g) -> 2SO3 (g...

A: The standard enthalpy change of a reaction is calculated by subtracting the enthalpy of formation of...


Q: How to answer question 4?

A: The mass of hydroxyapatite dissolves in 0.250L of water is calculated as,


Q: Ammonia is a weak base that reacts with water according to this equation:                      NH3(a...

A: The given reaction, ammonia reacting with water is an equilibrium reaction. According to Le Chatelia...


Q: 1. How much carbon dioxide (in litres) comes from the reaction of 30.0 g of sodium carbonate accordi...

A: The balanced chemical reaction is given below.


Q: How many molecules of SO₃ can be formed from 0.59 moles of O₂ from the following UNBALANCED equation...

A: Given information:Moles of oxygen gas = 0.59 moles.


Q: 1A 8A H 2A 3A 4A 5A 6A 7A He BCNOF N Li Be 1B 2B AI Si P S CI Ar Na Mg 3B 48 58 6B 7B e K Ca Sc Ti V...

A: Given, a monoatomic ion with charge of -2 has an electron configuration of 1s2 2s2 2p6 3s2 3p6Since,...


Q: An expandable balloon filled with 100.0 L of helium at 750 torr and 20°C is launched from ground lev...

A: As per the given data in the question,P1 = 750 torr; V1 = 100.0 L; T1 = 20 + 273 = 293 KP1 = 190 tor...


Q: ) Which combinations ofn and I represent real orbitals, and which do not exist? d. 2d a. 1s b. 2p С....

A: The principal quantum number, n, designates the principal electron shell. n can be any positive inte...