Stoichiometry 80 kg of Na₂SO₄ (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na₂SO₄ .10H₂O crystals separate out. The weight fraction of Na₂SO₄ in the remaining solution is 0.18 0.24 1 0.18 0.24 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half, will result in __________ in the volume of the gas. Doubling No change Four fold increase L/4th reduction Doubling No change Four fold increase L/4th reduction ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m³. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m³. The amount of water vapour condensed (in kg) is 0.065 1 0.1 0.065 1 0.1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20)? AB₃ A₂B₃ A₂B AB₂ AB₃ A₂B₃ A₂B AB₂ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At a temperature of 0°K, the molecules of a gas have only __________ energy. None of these Translational Vibrational Rotational None of these Translational Vibrational Rotational ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of methane (CH₄) contains 4 gm atoms of hydrogen 6.02 x 1023 atoms of hydrogen 3.01 x 1023 molecules of methane 3 gms of carbon 4 gm atoms of hydrogen 6.02 x 1023 atoms of hydrogen 3.01 x 1023 molecules of methane 3 gms of carbon ANSWER DOWNLOAD EXAMIANS APP
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