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Chemical Engineering - Stoichiometry

Exercise : Stoichiometry - Section 7
16.
The temperature of a gas in a closed container is 27° C. If the temperature of the gas is incresed to 300° C, then the pressure exerted is
doubled.
halved.
trebled.
unpredictable.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Isotonic solutions must have the same
viscosity
molar concentration
normality
critical temperature
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The vapor pressures of benzene and toluene are 3 and 4/3 atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vapourised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is
0.4
0.6
0.8
0.2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
__________ kg of CaC03 on heating will give 56 kg of CaO.
56 .
100
144
1000
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Enthalpy of formation of NH3 is - 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH3 → N2 + 3H2, is equal to __________ kJ/kg. mole.
46
92
-23
-92
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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