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For the reaction SbCl5(g) SbCl3(g)+ Cl2(g),
G°f (SbCl5)= -334.34 kJ/mol
G°f (SbCl3)= -301.25 kJ/mol
H°f (SbCl5)= -394.34 kJ/mol
H°f (SbCl3)= -313.80 kJ/mol
Calculate G at 800 K and 1 atm pressure (assume S° and H° do not change with temperature).
Reference Line
A line on a drawing that serves as a basis or guide, commonly used to reference dimensions or to anchor annotation symbols such as those for welding.
Leg
A supporting structure or component of an object, typically extending downwards to provide stability or support.
Root Opening
The gap between the parts being joined before welding.
Tail
In engineering drawings, often refers to the part of a callout or notation that provides additional information, such as specifications or notes.
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