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Stoichiometry

Stoichiometry
__________ fuels require the maximum percentage of 'excess air' for complete combustion.

Nuclear
Solid
Gaseous
Liquid

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Stoichiometry
Total energy at a point comprises of __________ energy.

Potential & kinetic
Internal
Pressure
All of these

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Stoichiometry
Pick out the wrong unit conversion of temperature.

°C = (F- 32) x 0.555
°R = 273 + °F
Temperature difference of 1°K = 1°C = 9/5 °F
°F = (°C + 17.778) x 1.8

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Stoichiometry
1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is

C₄H9OH
C₃H21OH
(C₂H₄)2H₂.OH
C2H33OH

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Stoichiometry
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

0.2
0.8
0.6
0.4

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Stoichiometry
On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes

4
8
1
2

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