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If ΔH is the change in enthalpy and ΔE, the change in internal energy accompanying a gaseous reaction, then:
  • a)
    △H is always greater than ΔE.
  • b)
    ΔH<ΔE only if the number of moles of the products is greater than the number of moles of the reactants.
  • c)
    ΔH is always less than ΔE.
  • d)
    ΔH<ΔE only if the number of moles of products is less than the number of moles of the reactants.
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
IfΔHis the change in enthalpy andΔE, the change in interna...
ΔH<ΔE only if the number of moles of products is less than the number of moles of the reactants.
If n< nr; Δn= np−n=− ve. where, n= No. of moles of products
n= No. of moles of reactants, n= No. of moles of gas
Therefore, ΔH < ΔE.
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IfΔHis the change in enthalpy andΔE, the change in internal energy accompanying a gaseous reaction, then:a)H is always greater thanΔE.b)ΔH<ΔEonly if the number of moles of the products is greater than the number of moles of the reactants.c)ΔHis always less thanΔE.d)ΔH<ΔEonly if the number of moles of products is less than the number of moles of the reactants.Correct answer is option 'D'. Can you explain this answer?
Question Description
IfΔHis the change in enthalpy andΔE, the change in internal energy accompanying a gaseous reaction, then:a)H is always greater thanΔE.b)ΔH<ΔEonly if the number of moles of the products is greater than the number of moles of the reactants.c)ΔHis always less thanΔE.d)ΔH<ΔEonly if the number of moles of products is less than the number of moles of the reactants.Correct answer is option 'D'. Can you explain this answer? for UGC NET 2024 is part of UGC NET preparation. The Question and answers have been prepared according to the UGC NET exam syllabus. Information about IfΔHis the change in enthalpy andΔE, the change in internal energy accompanying a gaseous reaction, then:a)H is always greater thanΔE.b)ΔH<ΔEonly if the number of moles of the products is greater than the number of moles of the reactants.c)ΔHis always less thanΔE.d)ΔH<ΔEonly if the number of moles of products is less than the number of moles of the reactants.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for UGC NET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for IfΔHis the change in enthalpy andΔE, the change in internal energy accompanying a gaseous reaction, then:a)H is always greater thanΔE.b)ΔH<ΔEonly if the number of moles of the products is greater than the number of moles of the reactants.c)ΔHis always less thanΔE.d)ΔH<ΔEonly if the number of moles of products is less than the number of moles of the reactants.Correct answer is option 'D'. Can you explain this answer?.
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