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STOICHIOMETRY

Stoichiometry
Specific gravity on API scale is given by the relation(where, G = specific gravity at 15.5°C).

°API = (141.5/G) - 131.5
°API = 145 - (145/G)
°API = (140/G) - 130
°API = 200(G - 1)

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Stoichiometry
Cp is expressed in S.I. unit as

W/m. °K
0°K
W/m². °C
J/kg.°K

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

1023
1020
1019
1026

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Stoichiometry
One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m³. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m³. The latent heat of condensation (kJ/kg⁻¹ ) under these conditions is

2676
540
40732
2263

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Stoichiometry
1 ata is equivalent to

1 kgf/cm²
1 atm
0.98 Pascal
10 torr

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