9701 CAIE AS-LEVEL/A-LEVEL CHEMISTRY - CHEMICAL ENERGETICS NOTES
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Course
9701 CAIE A-LEVEL CHEMISTRY
Institution
9701 CAIE AS-LEVEL/A-LEVEL CHEMISTRY CHEMICAL ENERGETICS NOTES, INCLUDE INFORMATION ABOUT ANSWERING QUESTIONS IN PAPER 4&5 SPECIFIC TO THE RELEVANT TOPIC.
,Energetics: Recap
We have already seen how to use Hess
cycles. In this chapter we will return
investigate the enthalpy changes whe
formed.
The standard enthalpy of formation
when one mole of a compound is
, Skill Check 1
(a)Write an equation, including state sym
has an enthalpy change equal to the
formation of silver(I) fluoride.
(b)Write an equation, including state sym
has an enthalpy change equal to the
, Atomisation
The standard enthalpy of atomisatio
change which accompanies the forma
atoms from the element in its standa
conditions.
Mg(s) ➝ Mg(g) o
a
1 o
2Br 2(l) ➝ Br(g)
1
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