Top answers

Chemistry
A Level

What are the features of a dynamic equilibrium?

  • Forward and backward reactions occur at equal rates
  • Concentration of reactants and products remains constant
SR
27162 Views

What is an enthalpy change?

Enthalpy change refers to the change in heat pressure given out or taken in by a system when the pressure is constant.

SR
2537 Views

What is the definition of a Brownsted-Lowry base?

A substance that can accept a proton (H+)

SR
2402 Views

What is the definition of a Brownsted-Lowry acid?

A substance that donates a proton (H+)

SR
2855 Views

Explain why transition metal compounds are often coloured in solution.

The valence electrons of transition metals are found in d-orbitals. When the metal ion forms a complex with ligands the d-orbitals split into two different energy levels, and the gap between these levels ...

PD
Answered by Patrick D. Chemistry tutor
11441 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning