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Stoichiometry

Stoichiometry
Vapor pressure of water at 100°C is about __________ bar.

10.13
1.013
101.3
0.1013

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Stoichiometry
An equation for calculating vapour pressure is given by, log10 P = A - B(t + c).

Trouton's rule
Antonic equation
Kopp's rule
Kistyakowsky equation

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Stoichiometry
A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be

- 136.5°K
-273°C
0°K
-136.5°C

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Stoichiometry
At room temperature, the product [H⁺] [OH⁻] in a solution is 10⁻¹⁴ moles/litre. If, [OH⁻] = 10⁻⁶ moles/litre, then the pH of the solution will be

8
10
12
6

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Stoichiometry
In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is

180
720
60.3
200

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Stoichiometry
No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules

Do work equal to loss in kinetic energy
Are above the inversion temperature
Exert no attractive force on each other
Collide without loss of energy

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