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Stoichiometry

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

1.204
6.02
3.01
9.03

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Stoichiometry
Heat of reaction is a function of the

Neither (a) nor (b)
Temperature
Pressure
Both(a)&(b)

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Stoichiometry
The latent heat of vaporisation

Decreases as pressure increases
All of these
Decreases with increased temperature
Becomes zero at the critical point

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Stoichiometry
1 gm mole of methane (CH₄) contains

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

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Stoichiometry
Which of the following gases is the most soluble in water?

NH₃
H₂S
CH₄
CO₂

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Stoichiometry
The number of H⁺ in 1 c.c solution of pH 13 is

6.023xl0⁷
10¹³
6.023 x 10¹⁰
6.023 xl0¹³

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