Related Questions
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In reaction
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For a reaction
So the driving force for the reaction is?
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The heat change taking place in the reaction
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The molar entropy of vaporisation of a liquid at its boiling point is
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The solution energy of ion is more than that of due to...
A. high ionisation energy of ion
B. greater size of ion
C. greater charge on ion
D. small size of ion
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If temperature is kept constant during the reaction, the process is said to be.......................
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10 gm of ice at 0°C is placed into 100 gm of water at 50°C. Hie temperature of water after the whole ice has melted will be
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The heat of neutralisation of a strong acid and a strong base is equal to......................
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Heat of combustion of S (Rhombic) and S (monoclinic) are -297.5 KJ and -300 KJ respectively. So the heat of transformation of SR to SM is
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A person requires 2870 Kcal of energy for leading a normal life. If heat of combustion of cane sugar is -1349 Kcal then he must consume...................kg of cane sugar daily.
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In a spontaneous irreversible process, the total entropy of the system & its surroundings
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The apparatus used for measuring the heat changes is known as ...
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A person requires 2870 Kcal of energy for leading a normal life. If heat of combustion of cane sugar is -1349 Kcal then he must consume...................kg of cane sugar daily.
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On burning hydrogen in an atmosphere of chlorine, 1.65 gm of HC1 was obtained and 1 Kcal of heat was liberated. The heat of formation of HC1 should be ?
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1 Joule is equal to
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Heat of fusion of a molecular solid is
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35.5 gm of chlorine gas is allowed to expand freely in vacuum at 25°C. Then AH for this process is
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The total heat content of a system is known as....
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The highest temperature at which vapour pressure of a liquid can be measured is..
A. the boiling point of the liquid
B. critical solution temperature
C. ionisation temperature
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Heat of combustion of methane and ethane are -291.7 Kcal & — 441.2 Kcal respectively:
A. Methane is a better fuel because ethane is poisonous
B. Methane is a better fuel than
C. Ethane is a better fuel than
D. Both are equally efficient as a fuel
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In a thermal decomposition reaction, sign of may be...
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For the reaction
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Heat of neutralisation of HCI and NaOH is -57.32 KJ per gram equivalent and that of acetic acid and NaOH is -55.23 KJ per gram equivalent. The heat of dissociation of acetic acid per gram equivalent should be?
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Heat of Reaction between sodium hydroxide and hydrochloric acid is 57.32 . So heat of dissociation of water is
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The factor that does not influence the heat of reaction is...
A. method by which reactants change to products
B. chemical state of the reactants and products
C. whether it is taking place at constant temperature
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Heat of reaction
A. depends on the rate of reaction
C. is independent of temperature
D. may or may not depend on temperature
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The enthalpy of the elements in their standard states is taken as zero. So the enthalpy of formation of a compound may be
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Internal energy of the elements is assigned a value of................................cal per mole at standard states.