Heat of formations of A, B, C, and D, are 5 J, 8 J, 2 J, and 15 J resp – McqOptions

MCQOPTIONS

1.	Heat of formations of A, B, C, and D, are 5 J, 8 J, 2 J, and 15 J respectively, what is the heat of reaction 3A + B -> 3C + 2D?
A.	9 J
B.	10 J
C.	13 J
D.	15 J
Answer» D. 15 J

Discussion

No Comment Found

Related MCQs

What is the final enthalpy of the solution made by mixing 20 grams of solution A having enthalpy 5 J with 5 grams of solution B having enthalpy 10 J?
What is the enthalpy of a mixture having 20% of A with enthalpy 20 J, 30% of B with enthalpy 40 J, and 50% of C with enthalpy 20 J?
What is the enthalpy of the reaction from 15°C to 25°C if CP = 3 J/°C, and the reference enthalpy is 15 J?
What is the enthalpy of the reaction from 10°C to 15°C if CP = 5 J/°C, and the reference enthalpy is 25 J?
What is the heat of reaction for C₆H₆ + 3H₂ -> C₆H₁₂, if the heat of combustion of H₂ = 2 J, C₆H₆= 30 J, and C₆H₁₂ = 25 J?
What is the computer code used in flow sheeting?
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?
What is the height difference of the water (density = 1000 Kg/m³), if the change in Velocity is 10 m/s and change in pressure is 500 Pa?
The specific volume of a gas is 5 m³/Kg, at 25 Pa, H = 40 J/Kg and at 40 Pa, H = 90 J/Kg, what is the heat transferred to the system?
What is the heat of reaction if the heat of combustion of products is 25 J and heat of combustion of reactants is 15 J?