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Stoichiometry

Stoichiometry
Molar heat capacity of water in equilibrium with ice at constant pressure is

1
None of these
∞

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Stoichiometry
What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are mixed in an empty vessel at 25°C?

43833
43864
43832
L/3 x 298/273

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Stoichiometry
Which of the following is not a unit of pressure?

Bar
Kilo-pascal
Parsec
Newton/metre²

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Stoichiometry
A saturated vapor on being compressed would

Both A & B
Condense
Form wet steam
Neither A nor B

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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.

-109.5
+100
+109.5
+180

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Stoichiometry
The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state.

Same
Either A or B; depends on the nature of the substance
More
Less

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