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