Question

Heat of formations of A, B, C, and D, are 3 J, 5 J, 4 J, and 8 J respectively, what is the heat of reaction 2A + 2B -> 2C + D?

a.

-5 J

b.

0

c.

5 J

d.

8 J

Answer: (b).0

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Heat of formations of A, B, C, and D, are 3 J, 5 J, 4 J, and 8 J respectively, what is the heat of reaction 2A + 2B -> 2C + D?

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. In the reaction C + O₂ -> CO₂, if the heat liberated is 10 J, what is the heat of formation of CO₂?

Q. In the reaction 2H₂ + O₂ -> 2H₂O, if the heat liberated is 50 J, what is the heat of formation of H₂O?

Q. In the reaction 2N -> N₂, if the heat liberated is 6 J, what is the heat of formation of N₂?

Q. In the reaction 2C + O₂-> 2CO, if the heat liberated is 10 J, what is the heat of formation of CO?

Q. In the reaction C + 2H₂ -> CH₄, if the heat liberated is -5 J, what is the heat of formation of CH₄?

Q. The standard heat of reaction is heat of reaction for how many mole of compound?

Q. 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?

Q. 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?

Q. 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?

Q. 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?

Q. 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.

Q. 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?

Q. 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?

Q. 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?

Q. 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?

Q. What is the enthalpy change of a reaction at 45°C, if the enthalpy of reactant at 45°C and 25°C are 10 J and 6 J, and enthalpy of product at 45°C and 25°C are 15 J and 8 J, and the enthalpy change of reaction at 25°C is 10 J?

Q. What is the enthalpy change of a reaction at 35°C, if the enthalpy of reactant at 35°C and 25°C are 18 J and 10 J, and enthalpy of product at 35°C and 25°C are 12 J and 8 J, and the enthalpy change of reaction at 25°C is 15 J?

Q. What is the enthalpy change of a reaction at 35°C, if the enthalpy of reactant at 35°C and 25°C are 22 J and 15 J, and enthalpy of product at 35°C and 25°C are 10 J and 5 J, and the enthalpy change of reaction at 25°C is 36 J?

Q. What is the enthalpy change of a reaction at 30°C, if the enthalpy of reactant at 30°C and 25°C are 18 J and 15 J, and enthalpy of product at 30°C and 25°C are 10 J and 8 J, and the enthalpy change of reaction at 25°C is 45 J?

Q. What is the enthalpy change of a reaction at 90°C, if the enthalpy of reactant at 90°C and 25°C are 60 J and 25 J, and enthalpy of product at 90°C and 25°C are 80 J and 10 J, and the enthalpy change of reaction at 25°C is 5 J?

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!