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

Log in

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

In the cell reaction 2Al(s) + 6H⁺(aq) → 2Al³⁺(aq) +… | StemPy Lab

Quizzes
In the cell reaction 2Al(s) + 6H⁺(aq) → 2Al³⁺(aq) + 3H₂(g), the pressure of hydrogen is doubled and nothing else changes. By what factor does the reaction quotient Q change?

ChemistryMediumHigh School (11–12)Electrochemistry › Galvanic Cells, Electrode Potential and the Nernst Equation Board Exam AP A-Level IB

Created by StemPy Lab

In the cell reaction $2\text{Al}(s) + 6\text{H}^+(aq) \rightarrow 2\text{Al}^{3+}(aq) + 3\text{H}_2(g)$ , the pressure of hydrogen is doubled and nothing else changes. By what factor does the reaction quotient $Q$ change?

← All Quizzes

← A silver electrode dips into silver nitrate solution at 0.0070 mol/L at 298 K. Use E°(Ag⁺/Ag) = 0.80 V. What is the electrode potential?A Daniell cell has [Zn²⁺] = 1.0 mol/L and E° = 1.10 V. The copper ion is diluted to 0.0010 mol/L. What is the emf at 298 K? →

More onElectrochemistry › Galvanic Cells, Electrode Potential and the Nernst Equation

Discussion (0)

Log in to join the discussion.

Loading…

More questions on this topic

At one moment a cell reaction with n = 2 has E = 0.92 V, while its standard emf is 1.05 V. What is…Hard
Assertion (A): the emf of a cell does not change when the cell equation is written with every…Medium
After a long time of use, a cell reads 0.000 V on a high-resistance voltmeter. What does this show?Medium
A Daniell cell has [Zn²⁺] = 1.0 mol/L and E° = 1.10 V. The copper ion is diluted to 0.0010 mol/L.…Medium
A silver electrode dips into silver nitrate solution at 0.0070 mol/L at 298 K. Use E°(Ag⁺/Ag) =…Medium

All questions on this topic →

Problems on this topic

The cell Pt mid Fe²⁺, Fe³⁺ ∥ Cl⁻ mid Cl₂ mid Pt has iron(II) at 0.50 mol/L and iron(III) at 0.0030…Medium
A voltmeter of very high resistance reads 1.03 V across the cell Zn(s) mid Zn²⁺(aq, 1.0 mol/L) ∥…Hard
Find the emf at 298 K of the cell Fe(s) mid Fe²⁺(aq, 0.10 mol/L) ∥ Cl⁻(aq, 0.50 mol/L) mid Cl₂(g…Medium
Excess zinc dust is stirred into 0.050 mol/L copper(II) sulphate until the reaction Zn(s) +…Hard

All problems on this topic →