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Stoichiometry

Stoichiometry
1 torr is equivalent to

1 Pascal
1 ata
1 mm Hg
1 mm wc

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Stoichiometry
Volume percent for gases is equal to the

Weight percent
Mole percent
Mole percent only for ideal gases
Weight percent only for ideal gases

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Stoichiometry
For an ideal gas, the compressibility factor

Is unity at all temperature
Decreases with pressure rise
Zero
Is unity at Boyle's temperature

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Stoichiometry
1 gm mole of methane (CH₄) contains

6.02 x 1023 atoms of hydrogen
3 gms of carbon
4 gm atoms of hydrogen
3.01 x 1023 molecules of methane

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Stoichiometry
A gaseous mixture contains 14 kg of N₂, 16 kg of O₂ and 17 kg of NH₃. The mole fraction of oxygen is

0.47
0.66
0.16
0.33

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Stoichiometry
Equal masses of CH₄ and H₂ are mixed in an empty container. The partial pressure of hydrogen in this container expressed as the fraction of total pressure is

8/9
1/9
5/9
1/2

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MORE MCQ ON Stoichiometry

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