Question

When a mercury thermometer is heated the mercury expands and rises in the thin tube of glass. What does this indicate about the relative rates of expansion for mercury and glass ? What would happen if their expansion rates were the same?

Answer 1

Answer:

This is a very good question! Normally, mercury-in-glass thermometers work because the mercury changes volume much more than the glass does, primarily because it has a larger coefficient of volume expansion. ... Thus, the glass and mercury in this proposed thermometer would expand and contract together.

Explanation:

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Answer 2

this is very good question