JEE Exam  >  JEE Questions  >  Hess's law of heat of summation is based ... Start Learning for Free
Hess's law of heat of summation is based on law of conservation of energy. It has found significance in
deriving heats of many reactions which either do not take place or if take place, than other side reactions
also accompany it. For example heat of reaction for C + ½ O2 → CO can not be studied directly as it occurs
with simultaneous reaction of oxidation of CO to CO2. Bond energy is referred as heat enthalpy when a bond
is broken to produce isolated gaseous atoms. In case of breaking up of bonds between unlike atoms e.g.,
C – H bond in CH4, bond energy is referred as average bond energy as four C - H bonds are broken up.
 
Q.  If C + ½ O2 → CO(g) ; ΔH = – 110 kJ.
C + H2O(g) → CO(g) + H2(g) ; ΔH = 132 kJ
The mole composition of mixture of steam and O2 and steam on being passed over coke at 1273 K so that temperature remains constant is :
  • a)
    0.6 : 1
  • b)
    1.67 : 1
  • c)
    0.3 : 1
  • d)
    0.4 : 1
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Hess's law of heat of summation is based on law of conservation of...
View all questions of this test
Explore Courses for JEE exam
Hess's law of heat of summation is based on law of conservation of energy. It has found significance inderiving heats of many reactions which either do not take place or if take place, than other side reactionsalso accompany it. For example heat of reaction for C + ½ O2 → CO can not be studied directly as it occurswith simultaneous reaction of oxidation of CO to CO2. Bond energy is referred as heat enthalpy when a bondis broken to produce isolated gaseous atoms. In case of breaking up of bonds between unlike atoms e.g.,C – H bond in CH4, bond energy is referred as average bond energy as four C - H bonds are broken up.Q. If C + ½ O2 → CO(g) ; ΔH = – 110 kJ.C + H2O(g) → CO(g) + H2(g) ; ΔH = 132 kJThe mole composition of mixture of steam and O2 and steam on being passed over coke at 1273 K so that temperature remains constant is :a)0.6 : 1b)1.67 : 1c)0.3 : 1d)0.4 : 1Correct answer is option 'B'. Can you explain this answer?
Question Description
Hess's law of heat of summation is based on law of conservation of energy. It has found significance inderiving heats of many reactions which either do not take place or if take place, than other side reactionsalso accompany it. For example heat of reaction for C + ½ O2 → CO can not be studied directly as it occurswith simultaneous reaction of oxidation of CO to CO2. Bond energy is referred as heat enthalpy when a bondis broken to produce isolated gaseous atoms. In case of breaking up of bonds between unlike atoms e.g.,C – H bond in CH4, bond energy is referred as average bond energy as four C - H bonds are broken up.Q. If C + ½ O2 → CO(g) ; ΔH = – 110 kJ.C + H2O(g) → CO(g) + H2(g) ; ΔH = 132 kJThe mole composition of mixture of steam and O2 and steam on being passed over coke at 1273 K so that temperature remains constant is :a)0.6 : 1b)1.67 : 1c)0.3 : 1d)0.4 : 1Correct answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Hess's law of heat of summation is based on law of conservation of energy. It has found significance inderiving heats of many reactions which either do not take place or if take place, than other side reactionsalso accompany it. For example heat of reaction for C + ½ O2 → CO can not be studied directly as it occurswith simultaneous reaction of oxidation of CO to CO2. Bond energy is referred as heat enthalpy when a bondis broken to produce isolated gaseous atoms. In case of breaking up of bonds between unlike atoms e.g.,C – H bond in CH4, bond energy is referred as average bond energy as four C - H bonds are broken up.Q. If C + ½ O2 → CO(g) ; ΔH = – 110 kJ.C + H2O(g) → CO(g) + H2(g) ; ΔH = 132 kJThe mole composition of mixture of steam and O2 and steam on being passed over coke at 1273 K so that temperature remains constant is :a)0.6 : 1b)1.67 : 1c)0.3 : 1d)0.4 : 1Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Hess's law of heat of summation is based on law of conservation of energy. It has found significance inderiving heats of many reactions which either do not take place or if take place, than other side reactionsalso accompany it. For example heat of reaction for C + ½ O2 → CO can not be studied directly as it occurswith simultaneous reaction of oxidation of CO to CO2. Bond energy is referred as heat enthalpy when a bondis broken to produce isolated gaseous atoms. In case of breaking up of bonds between unlike atoms e.g.,C – H bond in CH4, bond energy is referred as average bond energy as four C - H bonds are broken up.Q. If C + ½ O2 → CO(g) ; ΔH = – 110 kJ.C + H2O(g) → CO(g) + H2(g) ; ΔH = 132 kJThe mole composition of mixture of steam and O2 and steam on being passed over coke at 1273 K so that temperature remains constant is :a)0.6 : 1b)1.67 : 1c)0.3 : 1d)0.4 : 1Correct answer is option 'B'. Can you explain this answer?.
Solutions for Hess's law of heat of summation is based on law of conservation of energy. It has found significance inderiving heats of many reactions which either do not take place or if take place, than other side reactionsalso accompany it. For example heat of reaction for C + ½ O2 → CO can not be studied directly as it occurswith simultaneous reaction of oxidation of CO to CO2. Bond energy is referred as heat enthalpy when a bondis broken to produce isolated gaseous atoms. In case of breaking up of bonds between unlike atoms e.g.,C – H bond in CH4, bond energy is referred as average bond energy as four C - H bonds are broken up.Q. If C + ½ O2 → CO(g) ; ΔH = – 110 kJ.C + H2O(g) → CO(g) + H2(g) ; ΔH = 132 kJThe mole composition of mixture of steam and O2 and steam on being passed over coke at 1273 K so that temperature remains constant is :a)0.6 : 1b)1.67 : 1c)0.3 : 1d)0.4 : 1Correct answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for JEE. Download more important topics, notes, lectures and mock test series for JEE Exam by signing up for free.
Here you can find the meaning of Hess's law of heat of summation is based on law of conservation of energy. It has found significance inderiving heats of many reactions which either do not take place or if take place, than other side reactionsalso accompany it. For example heat of reaction for C + ½ O2 → CO can not be studied directly as it occurswith simultaneous reaction of oxidation of CO to CO2. Bond energy is referred as heat enthalpy when a bondis broken to produce isolated gaseous atoms. In case of breaking up of bonds between unlike atoms e.g.,C – H bond in CH4, bond energy is referred as average bond energy as four C - H bonds are broken up.Q. If C + ½ O2 → CO(g) ; ΔH = – 110 kJ.C + H2O(g) → CO(g) + H2(g) ; ΔH = 132 kJThe mole composition of mixture of steam and O2 and steam on being passed over coke at 1273 K so that temperature remains constant is :a)0.6 : 1b)1.67 : 1c)0.3 : 1d)0.4 : 1Correct answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Hess's law of heat of summation is based on law of conservation of energy. It has found significance inderiving heats of many reactions which either do not take place or if take place, than other side reactionsalso accompany it. For example heat of reaction for C + ½ O2 → CO can not be studied directly as it occurswith simultaneous reaction of oxidation of CO to CO2. Bond energy is referred as heat enthalpy when a bondis broken to produce isolated gaseous atoms. In case of breaking up of bonds between unlike atoms e.g.,C – H bond in CH4, bond energy is referred as average bond energy as four C - H bonds are broken up.Q. If C + ½ O2 → CO(g) ; ΔH = – 110 kJ.C + H2O(g) → CO(g) + H2(g) ; ΔH = 132 kJThe mole composition of mixture of steam and O2 and steam on being passed over coke at 1273 K so that temperature remains constant is :a)0.6 : 1b)1.67 : 1c)0.3 : 1d)0.4 : 1Correct answer is option 'B'. Can you explain this answer?, a detailed solution for Hess's law of heat of summation is based on law of conservation of energy. It has found significance inderiving heats of many reactions which either do not take place or if take place, than other side reactionsalso accompany it. For example heat of reaction for C + ½ O2 → CO can not be studied directly as it occurswith simultaneous reaction of oxidation of CO to CO2. Bond energy is referred as heat enthalpy when a bondis broken to produce isolated gaseous atoms. In case of breaking up of bonds between unlike atoms e.g.,C – H bond in CH4, bond energy is referred as average bond energy as four C - H bonds are broken up.Q. If C + ½ O2 → CO(g) ; ΔH = – 110 kJ.C + H2O(g) → CO(g) + H2(g) ; ΔH = 132 kJThe mole composition of mixture of steam and O2 and steam on being passed over coke at 1273 K so that temperature remains constant is :a)0.6 : 1b)1.67 : 1c)0.3 : 1d)0.4 : 1Correct answer is option 'B'. Can you explain this answer? has been provided alongside types of Hess's law of heat of summation is based on law of conservation of energy. It has found significance inderiving heats of many reactions which either do not take place or if take place, than other side reactionsalso accompany it. For example heat of reaction for C + ½ O2 → CO can not be studied directly as it occurswith simultaneous reaction of oxidation of CO to CO2. Bond energy is referred as heat enthalpy when a bondis broken to produce isolated gaseous atoms. In case of breaking up of bonds between unlike atoms e.g.,C – H bond in CH4, bond energy is referred as average bond energy as four C - H bonds are broken up.Q. If C + ½ O2 → CO(g) ; ΔH = – 110 kJ.C + H2O(g) → CO(g) + H2(g) ; ΔH = 132 kJThe mole composition of mixture of steam and O2 and steam on being passed over coke at 1273 K so that temperature remains constant is :a)0.6 : 1b)1.67 : 1c)0.3 : 1d)0.4 : 1Correct answer is option 'B'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Hess's law of heat of summation is based on law of conservation of energy. It has found significance inderiving heats of many reactions which either do not take place or if take place, than other side reactionsalso accompany it. For example heat of reaction for C + ½ O2 → CO can not be studied directly as it occurswith simultaneous reaction of oxidation of CO to CO2. Bond energy is referred as heat enthalpy when a bondis broken to produce isolated gaseous atoms. In case of breaking up of bonds between unlike atoms e.g.,C – H bond in CH4, bond energy is referred as average bond energy as four C - H bonds are broken up.Q. If C + ½ O2 → CO(g) ; ΔH = – 110 kJ.C + H2O(g) → CO(g) + H2(g) ; ΔH = 132 kJThe mole composition of mixture of steam and O2 and steam on being passed over coke at 1273 K so that temperature remains constant is :a)0.6 : 1b)1.67 : 1c)0.3 : 1d)0.4 : 1Correct answer is option 'B'. Can you explain this answer? tests, examples and also practice JEE tests.
Explore Courses for JEE exam

Top Courses for JEE

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev