Question

A 250-mL glass bottle was filled with 242mL of water at 20°C and tightly capped. it was then left outdoor overnight, where the average temperature was -5°C. predict what would happen. the density of water at 20°C is 0.998g/cm^3 and that of ice at -5°C is 0.916g/cm^3.

Answer 1

It would freeze. yw btw

Answer 2

Answer:

The glass bottle will get crack.

Explanation:

Volume of the glass bottles,V = 250 mL

Density of water at 20°C  = $0.998g/cm^3$

Mass of water in bottle = M

Volume of water at 20°C ,V' = 250 mL ($1cm^3= 1 mL$)

V>V'

$Density=0.988 g/cm^3=\frac{M}{242 cm^3}$

M = 239.096 g

Since mass remains constant, the mass of liquid water will be equal to mass of water when freezes

Density of ice at -5°C = $0.916g/cm^3$

Volume of the ice at  -5°C= V''

$Density=0.916 g/cm^3=\frac{239.096g}{V'}$

$V''=261.0218cm^3=261.0218 mL$

V''>V>V'

As we can see that volume of water has expanded on freezing and exceeded the volume of the glass bottle. This expansion will result in breaking or cracking of a glass bottle.