Concept explainers
Nitrogen monoxide reacts with oxygen to give nitrogen dioxide:
2 NO(g) + O2(g) → 2 NO2(g)
- (a) Place the three gases in order of increasing rms speed at 298 K.
- (b) If you mix NO and O2 in the correct stoichiometric ratio and NO has a partial pressure of 150 mm Hg, what is the partial pressure of O2?
- (c) After reaction between NO and O2 is complete; what is the pressure of NO2 if the NO originally had a pressure of 150 mm Hg and O2 was added in the correct stoichiometric amount?
(a)
Interpretation:
The given gases reaction should be arranged in the order of increasing rms speed at given temperature and
Concept introduction:
The root mean square velocity
Root mean square velocity can be determined,
Molar mass: The molar mass of a substance is determined by dividing the given mass of substance by the amount of the substance.
Partial pressure: The mixture of gases each gas has a partial pressure which is the hypothetical pressure of that gas if it alone occupied the entire volume of the original mixture at the same temperature.
Answer to Problem 89GQ
The increasing order of
Explanation of Solution
The expression used to calculate the
The
The
The
According to the calculated data the increasing order for the
(b)
Interpretation:
The given gases reaction should be arranged in the order of increasing rms speed at given temperature and
Concept introduction:
The root mean square velocity
Root mean square velocity can be determined,
Molar mass: The molar mass of a substance is determined by dividing the given mass of substance by the amount of the substance.
Partial pressure: The mixture of gases each gas has a partial pressure which is the hypothetical pressure of that gas if it alone occupied the entire volume of the original mixture at the same temperature.
Answer to Problem 89GQ
The partial pressure of oxygen
Explanation of Solution
Analyzing for partial pressure of oxygen molecule (O2)
Let us consider the given the equation
The partial pressure of oxygen molecule has
(c)
Interpretation:
The given gases reaction should be arranged in the order of increasing rms speed at given temperature and
Concept introduction:
The root mean square velocity
Root mean square velocity can be determined,
Molar mass: The molar mass of a substance is determined by dividing the given mass of substance by the amount of the substance.
Partial pressure: The mixture of gases each gas has a partial pressure which is the hypothetical pressure of that gas if it alone occupied the entire volume of the original mixture at the same temperature.
Answer to Problem 89GQ
The partial pressure of product molecule
Explanation of Solution
Analyzing for partial pressure of (NO2) molecule.
The partial pressure of (NO2) molecule has
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