Unit 2 definitions quiz

A test on definitions for unit 2 of Chemistry as

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  • Created by: Lucy
  • Created on: 04-06-10 12:06
Whats is a catalyst?
increases the rate of reaction without being consumed by the overall reaction
1 of 6
What is a Pi bond?
A bond formed above and below the plane of an atom by the sideways overlap of the p-orbitals
2 of 6
Whats is enthalpy?
the heat content that is stored in a chemical system
3 of 6
What is homolytic fission?
The breaking of a covalent bond with one of the bonded electrons going to each atom forming two radicals
4 of 6
Define molecular formula
The actual number of atoms of each element in a molecule
5 of 6
Sate le Chatelier's principle
When a system in dynamic equilibrium is subjected to a change, the position of equilibrium will shift to minimise the change.
6 of 6

Other cards in this set

Card 2

Front

What is a Pi bond?

Back

A bond formed above and below the plane of an atom by the sideways overlap of the p-orbitals

Card 3

Front

Whats is enthalpy?

Back

Preview of the front of card 3

Card 4

Front

What is homolytic fission?

Back

Preview of the front of card 4

Card 5

Front

Define molecular formula

Back

Preview of the front of card 5
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henrietta

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Good quiz :)

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