CHEMISTRY QUIZ 1

Which of these answers effect a rate of a reaction?
Size of beaker
Catalyst
Amount of people watching it
Decreased Temperature
What are catalysts?
A substance that slows downs reactions
Speeds up reactions and gets used up
Gives a reaction another pathway
Highers the activation energy of a reaction
How does temperature effect the equilibrium?
It increases the yield of an exothermic reaction
It increases the yield of an endothermic reaction
Increases the yield of the reaction with more moles.
Makes the equlibrium produce a gas.
An increase in temperature will...?
Slow down a reaction
Increase the production of a catalyst
Speed up a reaction
Cause nuclar warfare to obliterate the universe
Compared to lumps, a powder has...?
Less water
Lower surface area
Higher surface area
Particles are bigger
The rate of a reaction can be accurately measured by...?
The smell of smoke
The temperature of a reaction
The rate of formation of a product
The speed pigeons can fly
...... Reactions can go backwards and forwards
Chemical
Reversible
Fast
Boring
Does the concentration change when it is at an equilibrium
JA
NAY
Probably
Maybe
What is the comprimiessed tepertaure for the haber process
10-20 degrees celcius
100-200 degrees celcius
300-320 degrees celcius
400-450 degrees celcius
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