General
Easy
Chemistry-

reaction A+B→ C+D+q is found to have a positive entropy change, there actiowill be–

Chemistry-General

  1. Possibleathightemperature    
  2. Possibleonlyatlowtemperature    
  3. Notpossibleatanytemperature    
  4. Possibleatanytemperature    

    Answer:The correct answer is: Possibleatanytemperature

    Book A Free Demo

    +91

    Grade*

    Related Questions to study

    General
    chemistry-

    What is thsigof ΔGfortheprocessoficemelting at283K?

    What is thsigof ΔGfortheprocessoficemelting at283K?

    chemistry-General
    General
    chemistry-

    At acertaitemperaturTthend othemicreaction A→B proceesalmostcompletionThe entropy change is-

    At acertaitemperaturTthend othemicreaction A→B proceesalmostcompletionThe entropy change is-

    chemistry-General
    General
    physics

    An ammeter of range 5 A  is to be converted into an ammeter of range 10 V   If the resistance of anmeter be ,then what resistance should be connected in series with it?

    An ammeter of range 5 A  is to be converted into an ammeter of range 10 V   If the resistance of anmeter be ,then what resistance should be connected in series with it?

    physicsGeneral
    General
    chemistry-

    In the above sequence A & B respectively are –

    In the above sequence A & B respectively are –

    chemistry-General
    General
    chemistry-

    In a set of the given reactions, acetic acid yielded a product C. product C would be:-

    In a set of the given reactions, acetic acid yielded a product C. product C would be:-

    chemistry-General
    General
    chemistry-

    Forareaction2X(s)+2Y(s)→2C(ell)+D(g)Theqp at27°Cis–28Kcal.mol1 Thqis..........K.Calmol1

    Forareaction2X(s)+2Y(s)→2C(ell)+D(g)Theqp at27°Cis–28Kcal.mol1 Thqis..........K.Calmol1

    chemistry-General
    General
    chemistry-

    Fothreversiblis othemal expansiooonmole oan ideagas at300K,fromavolumeof10dm3to
    20dm3,ΔH is-

    Fothreversiblis othemal expansiooonmole oan ideagas at300K,fromavolumeof10dm3to
    20dm3,ΔH is-

    chemistry-General
    General
    chemistry-

    For thgaseousre actioinvolving the complete combustion of isobutane-

    For thgaseousre actioinvolving the complete combustion of isobutane-

    chemistry-General
    General
    chemistry-

    ΔHfC2H4=12.5KcalHeatofatomisationofC=171kcal Heaof atomisatioof H=52.1kcal Bond energy C–H=99.3kcal
    What is C=C bond energy?

    ΔHfC2H4=12.5KcalHeatofatomisationofC=171kcal Heaof atomisatioof H=52.1kcal Bond energy C–H=99.3kcal
    What is C=C bond energy?

    chemistry-General
    General
    chemistry-

    Inthereactions HCl+NaOH→NaCl+H2O+xcal H2SO4+2NaOH→Na2SO4+2H2O+ycal

    Inthereactions HCl+NaOH→NaCl+H2O+xcal H2SO4+2NaOH→Na2SO4+2H2O+ycal

    chemistry-General
    General
    chemistry-

    IftheheatofformatioofNO2is‘x[1/2N2(g)+O2(g)→NO2(g)]theheatofreactionN2(g)+O2(g) →2NO(g)isyandtheheatofreaction2NO(g)+O2(g)→2NO2(g) is z then

    IftheheatofformatioofNO2is‘x[1/2N2(g)+O2(g)→NO2(g)]theheatofreactionN2(g)+O2(g) →2NO(g)isyandtheheatofreaction2NO(g)+O2(g)→2NO2(g) is z then

    chemistry-General
    General
    chemistry-

    Which of the followinprocess involves decrease in thentroposystem–

    Which of the followinprocess involves decrease in thentroposystem–

    chemistry-General
    General
    physics

    A galvanometer, having a resistance of 50 subscript straight capital omega comma gives a fall scale deflection for a current of  0.05 A The length in metre of a resistance wire of are of cross-section 2.97cross times 10 to the power of negative 2 space end exponent c m to the power of negative 2 end exponent that can be used to convertt the galvanometer into an ammeter which can read a maximum of 5 A current is (specific resistance of wire=5 cross times 10 to the power of negative 7 end exponentΩm )

    A galvanometer, having a resistance of 50 subscript straight capital omega comma gives a fall scale deflection for a current of  0.05 A The length in metre of a resistance wire of are of cross-section 2.97cross times 10 to the power of negative 2 space end exponent c m to the power of negative 2 end exponent that can be used to convertt the galvanometer into an ammeter which can read a maximum of 5 A current is (specific resistance of wire=5 cross times 10 to the power of negative 7 end exponentΩm )

    physicsGeneral
    General
    chemistry-

    Ahypothetical reaction , A→2B, proceed throughfollowingsequenceofsteps- AC;ΔH=q1
    CD;ΔH=q2
    fraction numerator 1 over denominator 2 end fraction D rightwards arrow B semicolon capital delta H equals q subscript 3 end subscript Theheatofreactionis:

    Ahypothetical reaction , A→2B, proceed throughfollowingsequenceofsteps- AC;ΔH=q1
    CD;ΔH=q2
    fraction numerator 1 over denominator 2 end fraction D rightwards arrow B semicolon capital delta H equals q subscript 3 end subscript Theheatofreactionis:

    chemistry-General
    General
    chemistry-

    Theenthalpyofvapourisationofliquidwaterusing thedata :
    H2(g)+½O2(g)→H2O(ell)H=–285.77KJmol1
    H2(g)+½O2(g)H2O(g)H=–241.84KJmol1

    Theenthalpyofvapourisationofliquidwaterusing thedata :
    H2(g)+½O2(g)→H2O(ell)H=–285.77KJmol1
    H2(g)+½O2(g)H2O(g)H=–241.84KJmol1

    chemistry-General