Question 2
Marks : +2 | -2
Pass Ratio : 100%
What is the heat transferred from the system if the output sensible heat is 5 J, input sensible heat is 20 J, and heat of solution is 10 J?
Explanation: Q = ∆Hout,sensible – ∆Hin,sensible + ∆Hsolution = 5 – 20 + 10 = -5 J.
Question 3
Marks : +2 | -2
Pass Ratio : 100%
What is the heat transferred from 5 mole of the system if the output sensible heat is 1 J/mole, input sensible heat is 3 J/mole, and heat of solution is 4 J/mole?
Explanation: Q = ∆Hout,sensible – ∆Hin,sensible + ∆Hsolution = 5*(1 – 3 + 4) = 10 J.
Question 4
Marks : +2 | -2
Pass Ratio : 100%
What is the heat transferred from the system if the output sensible heat is 10 J, input sensible heat is 15 J, and heat of solution is 20 J?
Explanation: Q = ∆Hout,sensible – ∆Hin,sensible + ∆Hsolution = 10 – 15 + 20 = 15 J.
Question 5
Marks : +2 | -2
Pass Ratio : 100%
What is the heat transferred from the system if the output sensible heat is 5 J, input sensible heat is 25 J, and heat of solution is 20 J?
Explanation: Q = ∆Hout,sensible – ∆Hin,sensible + ∆Hsolution = 5 – 15 + 20 = 15 J.
Question 6
Marks : +2 | -2
Pass Ratio : 100%
What is the heat transferred from 2 mole of the system if the output sensible heat is 3 J/mole, input sensible heat is 2 J/mole, and heat of solution is 2 J/mole?
Explanation: Q = ∆Hout,sensible – ∆Hin,sensible + ∆Hsolution = 2*(3 – 2 + 2) = 6 J.
Question 8
Marks : +2 | -2
Pass Ratio : 100%
How is the graph of the heat of solution and dilution?
Explanation: Heat of solution is a finite curve at infinite dilution.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
Which of the following is required for the calculation of heat of reaction in the energy balance?
Explanation: Heat of solution at reference state, Heat of dissolution at reference state and heat of formation all are required in the calculation of Heat of reaction.