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Stoichiometry

Stoichiometry
Total energy at a point comprises of __________ energy.

Internal
Pressure
Potential & kinetic
All of these

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Stoichiometry
The heat evolved in the combustion of benzene is represented by the equation: C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole.

-2448.45
+1632.3
+816.15
-1632.3

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Stoichiometry
1 Kcal/kg. °C is equivalent to __________ BTU/lb. °F.

1
None of these
4.97
2.42

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Stoichiometry
Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature?

Nitrogen
Ethane
All of these
Chlorine

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Stoichiometry
The most convenient way of expressing solution concentration is in terms of

Molarity
Molality
Normality
Mole fraction

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Stoichiometry
Pick out the wrong unit conversion of temperature.

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

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