A compound melts at 280 K with an enthalpy of fusion of… | StemPy Lab

Help Contact For teachers and institutes

Mock Tests Classes

StemPy Lab

Learn. Solve. Code the solutions. Test yourself.

Live examsFree mock exams, timed and rankedEveryone starts together, and your score and rank come the moment it ends.See the exams →

Learn

Physics
Chemistry
Mathematics
Biology
Python Programming
Statistics & Data Science
Classes
Groups

Practice

Problems
Quizzes
Mock Tests
Prepare for an Exam
Question Sets
Exams
Certificates
Python Labs
AI Practice Generator
Student-Created Tests

Community

Discussions
Resources
Notes
Blog

Account

Dashboard
My Content
Profile
Log in

© 2026 senLearn. All rights reserved.Help About Contact Privacy Policy Terms of Use Refund Policy

A compound melts at 280 K with an enthalpy of fusion of… | StemPy Lab

Quizzes
A compound melts at 280 K with an enthalpy of fusion of 6.3 kJ/mol. What is its entropy of fusion?

ChemistryEasyHigh School (11–12)Chemical Thermodynamics › Entropy, Gibbs Energy and Spontaneity Chemical Thermodynamics › Enthalpy and Hess's Law A-Level AP IB

Created by StemPy Lab

A compound melts at $280\ \text{K}$ with an enthalpy of fusion of $6.3\ \text{kJ/mol}$ . What is its entropy of fusion?

← All Quizzes

← What is the sign of Δ S for 2H₂(g) + O₂(g) → 2H₂O(l)?Ravi heats a hydrated salt that loses its water with an enthalpy change of +24 kJ/mol and an entropy change of +85 J/(K mol). Find its Gibbs energy change at 420 K. →

More onChemical Thermodynamics › Entropy, Gibbs Energy and Spontaneity Chemical Thermodynamics › Enthalpy and Hess's Law

Discussion (0)

Log in to join the discussion.

Loading…

More questions on this topic

One mole of an ideal gas at 1.00 bar sits in a cylinder in a large water bath at 300 K. The…Advanced
A fuel cell runs on H₂(g) + 12 O₂(g) → H₂O(l) at 298 K and standard pressure. Δf H° of H₂O(l) is…Advanced
For 2 NO(g) + O₂(g) → 2 NO₂(g): Δf H° of NO(g) is +90.25 and of NO₂(g) +33.18 kJ mol⁻¹; the…Advanced
Four reactions have the values of Δ H° and Δ S° given below, which may be taken as constant with…Hard
For the gas-phase isomerisation A(g) ⇌ B(g), Δ H° = -10.0 kJ mol⁻¹ and Δ S° = -16.0 J K⁻¹ mol⁻¹.…Hard

All questions on this topic →

Problems on this topic

Phosphorus pentachloride splits on heating: PCl₅(g) → PCl₃(g) + Cl₂(g)…Hard
For N₂O₄(g) ⇌ 2NO₂(g), Δ H° = +57.2 kJ/mol and Δ S° = +175.8 J/(K mol)…Hard
A reaction has K = 2.5 × 10⁻³ at 500 K. Find Δ G° at this temperature…Medium
At 298 K a reaction has Δ G° = -17.1 kJ/mol…Medium

All problems on this topic →