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  3. c: caco3 (s) ----> cao (s) + co2 (g) delta h= +

C: CaCO3 (s) ----> CaO (s) + CO2 (g) delta H= +178 kJ/mol D: PCl3 (g) +...

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Chemistry

C: CaCO3 (s) ----> CaO (s) + CO2 (g) delta H= +178kJ/mol
D: PCl3 (g) + Cl2 (g) -----> PCl5 (g) delta H= - 88 kJ/mol

Classify these changes as either LEFTWARD SHIFT, RIGTHWARD SHIFT,or NO SHIFT

System C increase temperature
System C decrease temperature
System D increase temperature
System D decrease temperature

Answer & Explanation Solved by verified expert
4.1 Ratings (727 Votes)
since H for CaCO3 s CaO s CO2 g is positiveendothermic so this reaction can be written in this way CaCO3 s Heat CaO s CO2 g Treat Heat as a reagent if now you increase the temperature ie Heat is supplied to the system then according to Le Chatellers principle equilibrium will shift to that side that    See Answer
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