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

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Reaction Rates Using Moles
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What is a mole in chemistry?

A unit to count particles in a substance

How many particles are in one mole?

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

What is the formula for mean rate using reactants in moles?

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

What is the formula for mean rate using products in moles?

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

What is the unit for rate of reaction when using moles?

mol/s

What does mol/s tell us?

Moles of reactant used or product made/s

Why is measuring in moles helpful for reactions?

Helps understand reactions at particle level

What does using moles help you think about in a reaction?

The number of particles involved

At what level does counting particles help understand reactions?

Molecular level

If 0.5 mol of reactant is used in 10 s, what is the mean rate?

0.05 mol/s

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