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Chemical Engineering - Stoichiometry

Exercise : Stoichiometry - Section 7
26.
1 BTU/ft3 is approximately equal to __________ kcal/m3.
1
9
4
252
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
At 100°C, water and methylcyclohexane both have vapour pressures of 1 atm. Also at 100°C, the latent heats of vaporisation of these compounds are 40.63 kJ/mole for water and 31.55 kJ/mole for methylcyclohexane. The vapour pressure of water at 150°C is 4.69 atm. At 150°C, the vapour pressure of methylcyclohexane would be expected to be
significantly less than 4.69 atm.
nearly equal to 4.69 atm.
significantly more than 4.69 atm.
indeterminate due to lack of data
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Pick out the wrong statement.
Raoult's law holds good for the solubility of polar gases in non-polar liquids.
Molecules with symmetrical arrangement (e.g., CH4 and CCl4) are non-polar.
Most of the hydrocarbons are nonpolar.
Generally, nonpolar compounds are chemically inactive, conduct electricity poorly and do not ionise.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Which of the following ratios defines the recycle ratio in a chemical process ?
Gross feed stream/recycle feed stream
Recycle stream/fresh feed stream
Recycle stream/gross feed stream
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
NaOH contains __________ percent oxygen.
1
10
16
40
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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