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THERMOCHEMISTRY - BASIC
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State two types of reactions that we learn in Thermochemistry.
Exothermic and Endothermic
Give 2 types of heat of reactions that we learn.
Any heat stated by the student (precipitation/neutralisation/displacement/combustion)
In exothermic reaction, the container becomes ...
hot
In endothermic reaction, the container becomes ...
cold
The heat of reaction is given the symbol ∆H. True or false?
True
The specific heat capacity of any aqueous solution is equal to the specific heat capacity of water, which is 4.2 J g-1. True or false?
False
The density of any aqueous solution is equal to the density of water, 1g cm-3. True or false?
True
Formula to calculate the heat change in the reaction: .... = ..... x ..... x ?
Q = mc
How many types of heat of reactions that we learn?
4
In an endothermic reaction, the heat energy is ...
absorbed
In an exothermic reaction, the heat energy is ...
released.
The unit for heat of reaction is
kJ mol-1
WHAT TYPES OF REACTION FOR THIS ENERGY LEVEL DIAGRAM?
ENDOTHERMIC
WHAT TYPES OF REACTION FOR THIS ENERGY LEVEL DIAGRAM?
EXOTHERMIC
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