Stoichiometry

In a chemical process, the recycle stream is purged for______________________?

Byadmin March 12, 2019August 30, 2021

In a chemical process, the recycle stream is purged for______________________?

A. Increasing the product yield
B. Enriching the product
C. Limiting the inerts
D. Heat conservation

Stoichiometry

1 torr is equivalent to_________________?

1 torr is equivalent to_________________?

A. 1 mm Hg
B. 1 Pascal
C. 1 atm
D. 1 mm wc

Read More 1 torr is equivalent to_________________?
Stoichiometry

Which of the following expressions defines the Baume gravity scale for liquids lighter than water ?

Which of the following expressions defines the Baume gravity scale for liquids lighter than water ?

A. °Be = (140/G) – 130
B. °Be = 200(G-1)
C. °Be = 145 – (145/G)
D. °Be = (400/G) – 400

Read More Which of the following expressions defines the Baume gravity scale for liquids lighter than water ?
Stoichiometry

One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH4 + 2O2 → CO2 + 2H2O. Both the reactants and products are in gas phase. ΔH°298 = – 730 kJ/mole of methane. Mole fraction of water vapour in the product gases is about_____________________?

One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH4 + 2O2 → CO2 + 2H2O. Both the reactants and products are in gas phase. ΔH°298 = – 730 kJ/mole of methane. Mole fraction of water vapour in the product gases is about_____________________?

A. 0.19
B. 0.33
C. 0.40
D. 0.67

Read More One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH4 + 2O2 → CO2 + 2H2O. Both the reactants and products are in gas phase. ΔH°298 = – 730 kJ/mole of methane. Mole fraction of water vapour in the product gases is about_____________________?
Stoichiometry

Cp is expressed in S.I. unit as_______________?

Cp is expressed in S.I. unit as_______________?

A. J/kg.°K
B. 0°K
C. W/m2.°C
D. W/m.°K

Read More Cp is expressed in S.I. unit as_______________?
Stoichiometry

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 _______________?

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 _______________?

A. Remain unaltered
B. Increase nine fold
C. Increase three fold
D. Decrease three fold

Read More 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 _______________?
Stoichiometry

The reaction A + B → C has been conducted in a reactor as shown below. The number of boundaries around which material balance can be written, are_________________?

The reaction A + B → C has been conducted in a reactor as shown below. The number of boundaries around which material balance can be written, are_________________?

A. 1
B. 6
C. 3
D. 4

Read More The reaction A + B → C has been conducted in a reactor as shown below. The number of boundaries around which material balance can be written, are_________________?

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