Stoichiometry Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is 0.5 1.72 0.2 0.58 0.5 1.72 0.2 0.58 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of H₂SO₄ (5% concentration) is 7 5 < 7 > 7 7 5 < 7 > 7 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent. Less than More than Equal to Either more or less; depends on the solvent Less than More than Equal to Either more or less; depends on the solvent 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. +100 -109.5 +109.5 +180 +100 -109.5 +109.5 +180 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
Stoichiometry __________ equation relates latent heat and boiling point. Trouton's Antonie Kistyakowsky Kopp's Trouton's Antonie Kistyakowsky Kopp's ANSWER DOWNLOAD EXAMIANS APP
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