1 torr is equal to ______________ mm Hg column?
1 torr is equal to ______________ mm Hg column?
A. 1
B. 0.1
C. 10
D. 1000
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Pick out the wrong unit conversion of heat transfer co-efficient?
Pick out the wrong unit conversion of heat transfer co-efficient?A. 1 kcal/m2.hr.°C = 0.2048 BTU/ft2.hr. °F. = 1.163 W/m2.°K
B. 1 kcal/m2.hr.°K = 1.163 W/m2.°C
C. 1 W/m2.°C = 0.1761 BTU/ft2.hr.°F.
D. 1 BTU/ft2.hr.°F = 4.88 kcal/m2.hr.°C = 20.44 kJ/m2.hr°C = 5.678 W/m2.°COne 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. 0.671m3 is approximately equal to_________________?
1m3 is approximately equal to_________________?A. 28 litres
B. 35 ft3
C. 4.5 litres
D. 4.5 ft3Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is__________________?
Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is__________________?A. 80.1°C
B. Less than 80.1°C
C. 100°C
D. Greater than 80.1°C but less than 100°C______________ equation gives the effect of temperature on heat of reaction ?
______________ equation gives the effect of temperature on heat of reaction ?A. Kirchoff’s
B. Maxwell’s
C. Antoine
D. KistyakowskyFor an ideal gas, the compressibility factor________________?
For an ideal gas, the compressibility factor________________?A. Decreases with pressure rise
B. Is unity at all temperature
C. Is unity at Boyle’s temperature
D. Zero