Stoichiometry If 1.5 moles of oxygen combines with aluminium to form Al2O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm. 2.7 27 54 5.4 2.7 27 54 5.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 2 litres of nitrogen at N.T.P. weighs __________ gms. 14 2.5 28 1.25 14 2.5 28 1.25 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 Kcal/kg. °C is equivalent to __________ BTU/lb. °F. 1 2.42 None of these 4.97 1 2.42 None of these 4.97 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At room temperature, the product [H⁺] [OH⁻] in a solution is 10⁻¹⁴ moles/litre. If, [OH⁻] = 10⁻⁶ moles/litre, then the pH of the solution will be 12 8 10 6 12 8 10 6 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At 100°C, water and methylcyclohexane both have vapour pressures of 1 atm. Also at 100°C, the latent heats of vaporisation of these compounds are 40.63 kJ/mole for water and 31.55 kJ/mole for methylcyclohexane. The vapour pressure of water at 150°C is 4.69 atm. At 150°C, the vapour pressure of methylcyclohexane would be expected to be Significantly less than 4.69 atm Nearly equal to 4.69 atm Indeterminate due to lack of data Significantly more than 4.69 atm Significantly less than 4.69 atm Nearly equal to 4.69 atm Indeterminate due to lack of data Significantly more than 4.69 atm ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of methane (CH₄) contains 6.02 x 1023 atoms of hydrogen 3.01 x 1023 molecules of methane 4 gm atoms of hydrogen 3 gms of carbon 6.02 x 1023 atoms of hydrogen 3.01 x 1023 molecules of methane 4 gm atoms of hydrogen 3 gms of carbon ANSWER DOWNLOAD EXAMIANS APP
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