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 latent heat of condensation (kJ/kg⁻¹ ) under these conditions is 2263 540 40732 2676 2263 540 40732 2676 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Avogadro number is the number of molecules in one __________ of a gas. Gram Litre Gm.mole Kilogram Gram Litre Gm.mole Kilogram ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The combustion equations of carbon and carbon monoxide are as follows: C + O₂ = CO₂, ΔH = - 394 kJ/kg . mole CO + 1/2 O₂ = CO₂, ΔH = - 284.5 kJ/kg. mole. The heat of formation of CO is __________ kJ/kg. mole. +180 +100 +109.5 -109.5 +180 +100 +109.5 -109.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic heat capacities of all solid elements __________ with decrease in temperature. Remains unchanged Decreases Increases Approach zero at 0°C Remains unchanged Decreases Increases Approach zero at 0°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10⁻³ T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to - 100°C is 16.15 kJ 18.33 kJ 18.11 kJ 10.73 kJ 16.15 kJ 18.33 kJ 18.11 kJ 10.73 kJ ANSWER DOWNLOAD EXAMIANS APP
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