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Stoichiometry

Stoichiometry
1 kg/cm² is equal to

10 metres of water column
1KPa
760 torr
1 metre of water column

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

10
14
7

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Stoichiometry
In general, the specific heats of aqueous solutions __________ with increase in the concentration of the solute.

Increase
Decrease
Remain unchanged
None of these

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Stoichiometry
A butane isomerisation process produces 70 kmole/hr of pure isobutane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be

3 kmole/hr
6 kmole/hr
4 kmole/hr
5 kmole/hr

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Stoichiometry
The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________

1020
1023
1026
1019

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Stoichiometry
Assuming that CO₂ obeys perfect gas law, calculate the density of CO₂ (in kg/m³) at 263°C and 2 atm.

2
1
3
4

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