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Stoichiometry

Stoichiometry
How many phases are present at eutectic point?

Unpredictable
1
3
2

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Stoichiometry
Size range of the colloidals particles is

500 - 1000 microns
5 - 200 milli-microns
10 - 50 Angstrom
50 - 200 microns

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

6.023xl0⁷
6.023 xl0¹³
6.023 x 10¹⁰
10¹³

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Stoichiometry
Heat of reaction is a function of the

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

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Stoichiometry
Avogadro's number is equal to

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Stoichiometry
A car tyre of volume 0.057 m³ is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is

880
760
630
380

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