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 0.58 1.72 0.2 0.5 0.58 1.72 0.2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapour pressure of water is given by, in Psat = A - (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K.The vapor pressure of water in atm. at 50°C is approximately 0.09 0.11 0.07 0.13 0.09 0.11 0.07 0.13 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Number of gm moles of solute dissolved in one litre of a solution is called its Equivalent weight Molality Normality Molarity Equivalent weight Molality Normality Molarity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature. Does not vary Increases Decreases Varies linearly Does not vary Increases Decreases Varies linearly ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If pH value of a solution is 8, then its pOH value will be 10 7 1 6 10 7 1 6 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of Mixing Adsorption Wetting Complete wetting Mixing Adsorption Wetting Complete wetting ANSWER DOWNLOAD EXAMIANS APP
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