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Chemical Engineering · all questions

Stoichiometry
practice.

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Internal energy is independent of the __________ for an ideal gas.

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Viscosity of atmospheric air may be about __________ centipoise.

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Solutions having the same osmotic pressure are called __________ solutions.

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In general, the specific heats of aqueous solutions __________ with increase in the concentration of the solute.

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Pick out the wrong conversion formula for the conversion of weight units :

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The amount of Zn (atomic weight = 65) required to form 224 c.c. of H2 at N.T.P. on treatment with dilute H2SO4 will be __________ gm.

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With rise in temperature, the heat capacity of a substance

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Measurement of the amount of dry gas collected over water from volume of moist gas is based on the

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Pick out the wrong statement about the recycle stream in a process.

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In a chemical process, the recycle stream is purged for

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Osmotic pressure of the solution can be increased by

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The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the

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Pick out the wrong statement.

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The unit of dynamic viscosity is

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A gas mixture contains 6 moles of H2 and 2 moles of N2. If the total pressure of the gaseous mixture is 4 kgf/cm2; then the partial pressure of N2 in the mixture will be __________ kgf/cm2.

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The heat capacity of a substance is

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A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is

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__________ kg of CaCO3 on heating will give 56 kg of CaO.

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The temperature at which real gases obey the ideal gas law over a wide range of pressure is called the __________ temperature.

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The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be

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