What is the heating value of 2 Kg of coal with heat of combustion 15 – McqOptions

MCQOPTIONS

1.	What is the heating value of 2 Kg of coal with heat of combustion 15 J/Kg?
A.	-15 J
B.	15 J
C.	-30 J
D.	30 JView answer
Answer» D. 30 JView answer

Discussion

No Comment Found

Related MCQs

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 heat of reaction for H2 + Cl2 -> 2HCl, if the heat of combustion of H2 = 2 J, Cl2 = 10 J, and HCl = 10 J?
What is the heat of reaction for 2CO + O2 -> 2CO2, if the heat of combustion of CO = 20 J, O2 = 5 J, and CO2 = 25 J?
What is the heat of reaction for N2 + 3H2 -> 2NH3, if the heat of combustion of N2 = 5 J, H2 = 2 J, and NH3 = 15 J?
What is the heat of reaction for CH4 + 2O2 -> CO2 + 2H2O, if the heat of combustion of H2O = 5 J, CO2 = 10 J, O2 = 0, and CH4 = 25 J?
What is the value of higher heating value if the value of lower heating value is 10 J and the product has 5 moles of H2O and Enthalpy of vaporization is 4 J/mole at standard conditions?
What is the difference between lower heating value and higher heating value if the product has 2 moles of H2O and Enthalpy of vaporization is 40 J/mole at standard conditions?
What is the difference between higher heating value and lower heating value if the product has 5 moles of H2O and Enthalpy of vaporization is 10 J/mole at standard conditions?
What is the heating value of 2 Kg of coal with heat of combustion 15 J/Kg?
What is the heat of reaction if the heat of combustion of products is 2 J and heat of combustion of reactants is 10 J?