Reaction Rates Using Moles (AQA GCSE Chemistry Combined Science): Flashcards

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Reaction Rates Using Moles
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What is a mole in chemistry?

A unit to count large numbers of particles in a substance

Number of particles in one mole

About 6.02×10236.02 \times 10^{23} particles

Formula for mean rate (reactant in moles)

Reactant Used (mol)Time\frac{\text{Reactant Used (mol)}}{\text{Time}}

Formula for mean rate (product in moles)

Product Formed (mol)Time\frac{\text{Product Formed (mol)}}{\text{Time}}

Unit for rate of reaction using moles

mol/s\text{mol/s}

Meaning of mol/s unit

Moles of reactant used or product formed per second

Why use moles in reactions?

To think about the number of particles involved

Benefit of counting particles using moles

Better understanding of reactions at molecular level

What do moles count in chemistry?

Particles like atoms or molecules in a substance

Alternative unit for measuring reaction amounts

Moles (mol)

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