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Stoichiometry

Stoichiometry
The total number of atoms in 8.5 gm of NH₃ is __________ x 1023.

3.01
9.03
6.02
1.204

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Stoichiometry
The vapour pressure of water is given by, in Psat = A - (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K.The vapor pressure of water in atm. at 50°C is approximately

0.07
0.11
0.13
0.09

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Stoichiometry
Volume percent for gases is equal to the

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

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Stoichiometry
pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be

14
10
7

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Stoichiometry
1 BTU/lb.←°F is equivalent to __________ kcal/kg.°C.

4.97
2.42
1
1.987

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Stoichiometry
Degrees of freedom will be equal to the number of components for a system comprising of

None of these
Two liquid components and one solute (soluble in both the liquids)
Partially miscible two liquid components system having two phases
Only soluble liquid components

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