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_________________?

Byadmin March 4, 2019August 24, 2021

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

Stoichiometry

Osmotic pressure exerted by a solution prepared by dissolving one gram mole of a solute in 22.4 litres of a solvent at 0°C will be _______________ atmosphere?

Osmotic pressure exerted by a solution prepared by dissolving one gram mole of a solute in 22.4 litres of a solvent at 0°C will be _______________ atmosphere?

A. 0.5
B. 1
C. 1.5
D. 2

Read More Osmotic pressure exerted by a solution prepared by dissolving one gram mole of a solute in 22.4 litres of a solvent at 0°C will be _______________ atmosphere?
Stoichiometry

Which is not an acidic refractory ?

Which is not an acidic refractory ?

A. Silica
B. Fireclay
C. High alumina refractory
D. Carbon black

Read More Which is not an acidic refractory ?
Stoichiometry

Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?

Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?

A. Nature of the liquid
B. Nature of the gas
C. Temperature of the liquid
D. Total pressure

Read More Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?
Stoichiometry

For the gaseous phase reaction, N2 + O2 ⇌ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by____________________?

For the gaseous phase reaction, N2 + O2 ⇌ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by____________________?

A. Increasing the concentration of N2
B. Decrease in temperature
C. Increase in pressure
D. Decrease in pressure

Read More For the gaseous phase reaction, N2 + O2 ⇌ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by____________________?
Stoichiometry

A sample of well water contains 140 gm/m3 Ca2+ ions and 345 gm/m3 Na+ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO3 in gm/m3 is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) ?

A sample of well water contains 140 gm/m3 Ca2+ ions and 345 gm/m3 Na+ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO3 in gm/m3 is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) ?

A. 350
B. 485
C. 140
D. 345

Read More A sample of well water contains 140 gm/m3 Ca2+ ions and 345 gm/m3 Na+ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO3 in gm/m3 is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) ?
Stoichiometry

S.T.P. corresponds to _________________?

S.T.P. corresponds to _________________?

A. 1 atm. absolute pressure & 15.5°C
B. 760 mm Hg gauge pressure & 15.5°C
C. 760 torr & 0°C
D. 101.325 kPa gauge pressure & 15.5°C

Read More S.T.P. corresponds to _________________?

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