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Chemistry
All levels

What does a reaction between acid and base give?

Acid + Base = Salt + Water

SP
Answered by Sophia P. Chemistry tutor
2250 Views

What are isotopes?

Isotopes are a variant of a particular chemical element in the Periodic Table. They have the same atomic number, therefore the same number of protons and electrons. However they have a different number of...

PA
Answered by Priya A. Chemistry tutor
3928 Views

Why do first ionisation energies decrease down a group?

This is an example of remembering the basic trends of ionisation energies of different elements across the periodic table and applying this knowledge in detailWe take the Bohr model of the atom where the ...

BD
Answered by Bence D. Chemistry tutor
1902 Views

What is the difference between and exothermic and endothermic reaction and how can you tell the difference?

An exothermic reaction is a reaction which transfers enerygy to its surroudings.And endothermic reaction is one that absorbs energy from its surroundings.An exothermic reaction will make its environment w...

KH
Answered by Kawthar H. Chemistry tutor
2380 Views

Explain what is meant by dynamic equilibrium. (2)

The forward reaction and the backward reaction occur at the same time (1) and at the same rate (1).

NM
Answered by Nancy M. Chemistry tutor
2162 Views

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