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The standard condition means ....
1 atm of pressure and 298,15 K
Write down the equation for combustion reaction of sulfur to produce sulfur dioxide!
S + O2 --> SO2
What is the unit for enthalpy chenge?
kilojoule per mol (kJ/ mol)
The symbol of standard enthalpy change of combustion is
AHc
photosynthesis reaction is an example of
endothermic reaction
respiration is an example of
exothermic reaction
The positive sign of enthalpy change, shows that the reaction is
endothermic reaction
Na2S2O3(s) + 5H2O(l) --> Na2S2O3.5H2O(s). What is the product of this reaction
Na2S2O3.5H2O(s)
NaOH + HCl --> NaCl + H2O. This is an example of ....... reaction
Neutralization
Draw the diagram for endothermic reaction
Diagram
The symbol for enthalpy change is
AH
The symbol for enthalpy is
H
The reaction that need oxygen (react with oxygen) is called a ...... reaction
combustion
Mg + H2SO4 --> MgSO4 + H2 is an example of
exothermic reaction
the reaction that absorbing energy
endothermic reaction
The reaction that releasing energy
exothermic reaction
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