The Coefficient of Thermal Expansion of Water at 20ºC Is $\times$

question 36

Multiple Choice

The coefficient of thermal expansion of water at 20ºC is 0.207 $\times$ 10 ^-3 K ^-1.A thin glass tube contains a 75.0 cm column of water at 20ºC.If the thermal expansion of the glass tube is negligible,by how much does the length of the column of water expand when it is heated to 80ºC?

• A)3.1 mm
• B)9.3 mm
• C)12.4 mm
• D)4.1 mm
• E)28 mm

---

Definitions:

'Least-preferred co-worker'

A concept used in Fiedler's contingency theory to gauge a leader's task or relationship orientation based on their description of a difficult co-worker.

Play-oriented

An approach or attitude focusing on play and enjoyment, often in the context of learning or creative activities.

Group-centred

Focused on or revolving around the interests and needs of the group as a whole.

Laissez-faire

A policy or attitude of letting things take their own course, without interfering, often referred to in economics to describe a free-market system with minimal government intervention.