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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
Answered by Stephanie R. Chemistry tutor
24612 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.

Answered by Stephanie R. Chemistry tutor
1875 Views

What is the definition of a Brownsted-Lowry base?

A substance that can accept a proton (H+)

Answered by Stephanie R. Chemistry tutor
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What is the definition of a Brownsted-Lowry acid?

A substance that donates a proton (H+)

Answered by Stephanie R. Chemistry tutor
2117 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 ...

Answered by Patrick D. Chemistry tutor
9674 Views

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