AQA Chemistry Rates of Reaction | Baamboozle - Baamboozle

When we increase the temperature of a reaction in equilibrium, what direction will the reaction shift towards?

The endothermic direction

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What are the 5 factors that effect the rate of a reaction?

Concentration, temperature, pressure, surface area and catalysts

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What does this show?

Reversible reaction

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What is activation energy?

The amount of energy needed to start a reaction

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If a reaction is equilibrium is exothermic in the forward direction, what does that mean for the backward reaction?

It will be endothermic

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How can we increase the surface area of a solid?

Grind it up into a powder/cut it into smaller pieces

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Use the green tangent line to calculate the rate of this reaction

60/5 = 12 cm3/s

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Explain how increasing the concentration of a reactant will change the rate of the reaction

There are more particles per unit volume, so more frequent collisions and a faster rate of reaction

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What does it show when the line of the graphs has levelled off (gone flat)?

That the reaction has stopped

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What is the name given to the energy that particles must have for a collision to be successful?

Activation energy

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Explain how a catalyst changes the rate of a reaction

It speeds up the reaction by lowering the activation energy, meaning there are more successful collisions

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What is the name of the piece of equipment labelled B?

Conical flask

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If we decrease the pressure of a reaction in equilibrium, which direction will the reaction shift in? Hint: think about the number of molecules

Towards the side with more molecules

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