Add heat to liquid water which is maintained at a constant pressure (760 mm Hg)

Question

Add heat to liquid water which is maintained at a constant pressure (760 mm Hg) . The inital volume of water is 10. mL.

Temp at A is 80C and B is 100 C.

What is the volume occupied by water at point B and point C (assume Ideal behavior). Note: you must use an estimation technique such as the antoine equation.

Add heat to liquid water which is maintained at a constant pressure (760 mm Hg) . The inital volume of water is 10. mL. Temp at A is 80C and B is 100 C. What is the volume occupied by water at point B and point C (assume Ideal behavior). Note: you must use an estimation technique such as the antoine equation.

Explanation / Answer

V1/T1 = V2/T2

==>10/(80+273) = V2/(100+273)

==>V2 = 10*373/353 = 10.56 mL

so V at B = 10.56 mL

as T is constant from B to V so V is also constant

or, V at C = V at B = 10.56 mL

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