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What is the catalyst used in haber process?
Iron
In contact process, what should we do to the pressure of the system to produce more sulfur trioxide?
Increase the presssure
In a haber process, what happens when we increase the concentration of nitrogen gas?
Equilibrium shifts to the product, more ammonia produced
A reaction happens exothermically. What happens when we increase the temperature?
Equilibrium shifts to the reactants
What is the main requirement of reversible reactions?
In a closed system under the same conditions
When we heat up a pink cobalt (II) chloride into pink, it turns into blue. how do we reverse the reaction?
By adding water
How does catalyst speed up a reaction?
By lowering activation energy
How does temperature affect the rate of reaction in term of collision theory?
Temperature increases the energy of reacting particles
What happens to the rate of reaction, in term of collision theory, when the concentration of the reactant is decreased?
Less particles lead to lower amount of collisions. Thus, rate of reaction decreases.
What is the difference between large and small surface area in term of collision theory?
Small surface area has more exposed area that the large one, which cause more collision happens.
What is the name of minimum energy required for a chemical reaction to happen?
Activation energy
What is the name of energy needed to break covalent bonds in compounds?
Bond energy
Melting ice is an example of ..... reaction
Endothermic
What is the name of reaction which releases heat energy from system to surroundings?
Exothermic


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