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Stoichiometry

Stoichiometry
The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________

1020
1019
1026
1023

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Stoichiometry
The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times.

43834
4
√2
43832

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Stoichiometry
__________ chart is a graph related to Antonie equation.

Cox
Mollier's
Ostwald
Enthalpy-concentration

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Stoichiometry
Which of the following expressions defines the Baume gravity scale for liquids heavier than water?

200(G-1)
145 - (145/G)
(141.5/G) - 131.5
(400/G) - 400

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Stoichiometry
Assuming that CO₂ obeys perfect gas law, calculate the density of CO₂ (in kg/m³) at 263°C and 2 atm.

3
4
1
2

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Stoichiometry
The pressure under which liquid and vapor can co-exit at equilibrium is called the __________ vapor pressure.

Normal
Real
Saturated
Limiting

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