Chemical Engineering - Stoichiometry

6.
The combustion equations of carbon and carbon monoxide are as follows:
C + O2 = CO2, ΔH = - 394 kJ/kg . mole CO + 1/2 O2 = CO2, ΔH = - 284.5 kJ/kg. mole.
The heat of formation of CO is __________ kJ/kg. mole.
-109.5
+109.5
+180
+100
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
Dissolving a solute in a solvent does not change its
specific heat
vapour pressure
viscosity
none of these
Answer: Option
Explanation:
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8.
A reduction process is accompanied with increase in the
number of electrons
oxidation number
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
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9.
The reaction A + B → C has been conducted in a reactor as shown below.

The number of boundaries around which material balance can be written, are
1
6
3
4
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
Heat of transition is the heat evolved or absorbed, when a substance is converted from
vapor to liquid.
vapor to solid.
solid to liquid.
one allotropic form to another allotropic form.
Answer: Option
Explanation:
No answer description is available. Let's discuss.