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Chemistry
GCSE

What is Le Chatelier's Principle?

Le Chatelier's Principle states that for a reaction which is reversible, where there is a change made to the reaction conditions the equilibrium position will shift to oppose the change.

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Answered by Angus T. Chemistry tutor
2384 Views

Why does Aluminium react with Iron Oxide?

Aluminium is higher on the reactivity series than iron. This means that it is more reactive than iron. As a result, it displaces iron from the compound iron oxide in a displacement reaction, creating a...

Answered by Angus T. Chemistry tutor
6523 Views

Why does the temperature decrease in the endothermic reaction?

The temperature of the surrounding is decreased because energy is taken into the reaction. An example of this is two solutions A and B being mixed and the resultant product mixture having lower tempera...

Answered by Harry L. Chemistry tutor
8482 Views

How to balance a chemical equation.

Balancing chemical equations can seem tricky at first, especially when starting out. But by following an order it becomes a quick and easy task.

For the sake of this question, we'll balance th...

Answered by Youssef M. Chemistry tutor
4600 Views

What is the number of protons in an atom also called?

The atomic number.

Answered by Grace M. Chemistry tutor
3218 Views

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