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Heat of reaction or Enth..



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Q1. What is the enthalpy of reaction forC6H6 -> 3C2H2, if the conversion of C6H6 is 80%, and heat of formation of C6H6, and C2H2 are 24 J, and 8 J?

(a) 0
(b) 2.4 J
(c) 4.8 J
(d) 5.6 J

Q2. What is the enthalpy of reaction for CO2 + 4H2 -> 2H2O + CH4, if the conversion of CO2 is 50%, and heat of formation of CO2, H2, H2O, and CH4 are 6 J, 0, 4 J and 10 J?

(a) 2 J
(b) 5 J
(c) 6 J
(d) 9 J

Q3. . What is the enthalpy of reaction for C2H4 + 3O2 -> 2CO2+ 2H2O, if the conversion of CH4 is 50%, and heat of formation of CH4, O2, CO2, and H2O are 10 J, 0, 6 J and 4 J?

(a) 0
(b) 2 J
(c) 5 J
(d) 10 J

Q4. What is the enthalpy of reaction for CH4 + 2O2 -> CO2 + 2H2O, if the conversion of CH4 is 50%, and heat of formation of CH4, O2, CO2, and H2O are 10 J, 0, 6 J and 4 J?

(a) 0
(b) 2 J
(c) 4 J
(d) 6 J

Q5. What is the enthalpy of reaction for C + O2 -> CO2, if the conversion of C is 50%, and heat of formation of C, O2, and CO2 are 0, 0 and 10 J.

(a) 5 J
(b) 10 J
(c) 15 J
(d) 20 J

Q6. What is the heat of reaction for C6H6 + 3H2 -> C6H12, if heat of formation of C6H6, H2, and C6H12 are 25 J, 5 J and 50 J respectively?

(a) 10 J
(b) 20 J
(c) 30 J
(d) 35 J

Q7. What is the heat of reaction for C2H4 + 3O2 -> 2CO2 + 2H2O, if heat of formation of C2H4, O2, CO2, and H2O are 10 J, 5 J, 6 J and 2 J respectively?

(a) -4 J
(b) -2 J
(c) 0
(d) 4 J

Q8. What is the heat of reaction for 2H2 + O2 -> 2H2O, if heat of formation of H2, O2, and H2O are 2 J, 5 J, and 10 J respectively?

(a) 2 J
(b) 5 J
(c) 8 J
(d) 11 J

Q9. What is the heat of reaction for CH4 + 2O2 -> CO2 + 2H2O, if heat of formation of CH4, O2, CO2 and H2O are 10 J, 5 J, 6 J, and 12 J respectively?

(a) -10 J
(b) 10 J
(c) -20 J
(d) 20 J

Q10. The standard heat of reaction is a heat of reaction for how many moles of compound?

(a) 0
(b) 1
(c) 2
(d) 3


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The Relation Between H And U Is

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A Well Stoppered Thermos Flask Contains Some Ice Cubes. This Is An Example Of A

Modified 240 Year Ago Bhavna

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240 Year Ago

A Well Stoppered Thermos Flask Contains Some Ice Cubes. This Is An Example Of A

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Three Moles Of An Ideal Gas Expanded Spontaneously Into Vacuum. The Work Done Will Be

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Three Moles Of An Ideal Gas Expanded Spontaneously Into Vacuum. The Work Done Will Be

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In Order To Decompose 9 G Water 142.5 KJ Heat Is Required. Hence, The Enthalpy Of Formation Of Water Is

Modified 8 Year Ago

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In Order To Decompose 9 G Water 142.5 KJ Heat Is Required. Hence, The Enthalpy Of Formation Of Water Is

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352 views

Changes In A System From An Initial State To The Final State Were Made By A Different Manner That ΔH Remains Same But Q Changes Because

Modified 240 Year Ago

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Changes In A System From An Initial State To The Final State Were Made By A Different Manner That ΔH Remains Same But Q Changes Because

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If W Is The Amount Of Work Done By The System And Q Is The Amount Of Heat Supplied To The System. Identify The Type Of The System

Modified 240 Year Ago

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