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Stoichiometry

Stoichiometry
Cp/Cv for monoatomic gases is

1.99
1
1.44
1.66

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Stoichiometry
A very dilute solution is prepared by dissolving 'x1' mole of solute in 'x2' mole of a solvent. The mole fraction of solute is approximately equal to

X1/x2
1 - (x1/x2)
X2/x1
1/x2

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Stoichiometry
The molar composition of a gas is 10% H₂, 10% O₂, 30% CO₂ and balance H₂O. If 50% H₂O condenses, the final mole percent of H₂ in the gas on a dry basis will be be

0.2
0.1818
0.1
0.05

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Stoichiometry
One of the specific gravity scales is "Brix" (used speicifically for sugar solution). It is defined as

None of these
Brix = (400/G) - 400
Brix = 200 (G-1)
Brix = 145 - (145/G)

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Stoichiometry
1 torr is equal to __________ mm Hg column.

1
10
0.1
1000

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Stoichiometry
Isotopes are atoms having the same

Number of neutrons
Mass number
Atomic mass
None of these

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