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It assesses knowledge in subjects relevant to the candidate’s chosen course of study.","tags","utme jamb joint admission matriculation board unified tertiary matriculation examination nigeria africa","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",19,"createdOn",1755987353430,"updatedOn","questionsCount",29915,"courseCount",20,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":414,"_415":416,"_263":370,"_417":418,"_419":420,"_110":425},"dlRy8bGuykio3SxFhVMFOn4dUKgc1y","q","If the change in free energy of a system is -899 Jmol^-1 and the entropy change is 10Jmol^-1k^-1 at 250C, calculate the enthalpy change.","ans",[95],"2014","course","chemistry","exp","∆G = ∆H - T∆S
\n -899 = ∆H - 2980
\n ∆H = -899 + 2980 = + 2081 Jmol^-1","opts",[421,422,423,424],"+2081 Jmol^-1","-2081 Jmol^-1","-649 Jmol^-1","+649 Jmol^-1",24,"24","initComment","initReply","actionData","errors"]

JAMB - Chemistry (2014 - No. 24)

Explanation

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