Stoichiometry At standard conditions, N₂ + 2O₂ ⇋ 2NO₂; ΔG° = 100 kJ/moleNO + ½O₂ ⇋ 2NO₂; ΔG° = -35 kJ/moleThe standard free energy of formation of NO in kJ/mole is 85 170 30 15 85 170 30 15 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and water at these conditions are PvB and Pvw respectively. The partial pressure of benzene in air-vapour mixture is PvB (Patm - Pvw)xB XB.PvB XB.Patm PvB (Patm - Pvw)xB XB.PvB XB.Patm ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 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. 0.65 0.065 65 6.5 0.65 0.065 65 6.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of methane (CH₄) contains 3.01 x 1023 molecules of methane 3 gms of carbon 6.02 x 1023 atoms of hydrogen 4 gm atoms of hydrogen 3.01 x 1023 molecules of methane 3 gms of carbon 6.02 x 1023 atoms of hydrogen 4 gm atoms of hydrogen ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A car tyre of volume 0.057 m³ is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is 760 380 880 630 760 380 880 630 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a unit of length? Parsec Barn Angstrom Fermi Parsec Barn Angstrom Fermi ANSWER DOWNLOAD EXAMIANS APP
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