Thermochemistry

Keep going! After this module, consider:

Equilibrium

Start Next Module

Suggest Favorite subject or vote for a trending one!

Top nominations qualify for voting!

Having trouble? Here are some quick links:

Time on task: 0 mins

Study on the go

Download the 25Schools app and revise anywhere, anytime.

Exam Papers & Notes

Access past exam papers, revision notes, and study materials from top schools.

question 1 of 22 Grade: Form 3

Q: Consider the bond energies below. Using the bond energies, what is the enthalpy change, ΔH, of the reaction: H₂(g) + Cl₂(g) → 2HCl(g)?

From the equation, 3 moles of H₂SO₄ produce 1 mole of Al₂(SO₄)₃. So to produce 0.5 mol, moles of H₂SO₄ = 0.5 × 3 = 1.5 mol.

Share your knowledge:

From the equation, 3 moles of H₂SO₄ produce 1 mole of Al₂(SO₄)₃. So to produce 0.5 mol, moles of H₂SO₄ = 0.5 × 3 = 1.5 mol.

Break down complex topics into smaller, manageable chunks for easier recall.

Zambia

Climb the Leaderboard

Answer more questions, earn points, and compete with students across the country.

25Schools Store

Get digital textbooks, study guides, and premium revision packs.