Stoichiometry - Chemical Engineering Questions and Answers

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If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will

remain unaltered

increase nine fold

increase three fold

decrease three fold

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A saturated vapor on being compressed would

condense

form wet steam

both (a) & (b)

neither (a) nor (b)

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Pick out the wrong unit conversion of thermal conductivity.

1 BTU/ft².hr.°F/ft = 1.488 kcal/m². hr.°C/m

1 BTU/ft².hr.°F/inch = 1.488 kcal/m². hr.°C/m

1 kcal/m.hr.°C = 0.672 BTU/ft.hr.°F = 1.163 W/m. °K

1 W/cm.°C = 85.985 kcal/m.hr.°C = 57.779 BTU/ft.hr.°F

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C_p - C_v, for an ideal gas is equal to

R/2

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The number of H⁺ in 1 c.c solution of pH 13 is

6.023 xl0¹³

6.023 x 10¹⁰

6.023xl0⁷

10¹³

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Applicability of Claussius-Clapeyron equation is subject to the condition that the

vapor follows ideal gas law.

volume in the liquid state is negligible.

both (a) & (b)

neither (a) nor (b)

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The unit of C_p in S.I. units is

W/m².°K

J/kg.°K

W/m.°K

J/m³. °K

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Dry air is a mixture of

vapors

gases

both (a) & (b)

neither (a) nor (b)

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pH value of H₂SO₄ (5% concentration) is

> 7

< 7