Thermometer Height Conversion at Different Temperatures?

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Homework Statement

Constant volume of a thermometer is given(v), given the hieght of a column of mercurey at $$T_{o}$$ supports, what is he hieght at $$T_{2}$$?

Homework Equations

The Attempt at a Solution

I really don't know, can someone start me off please.

 

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[hage567]

Is that the exact way the question is stated? It's confusing. What is meant by "supports"?

 

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Here is exactly what my Prof. says:
a constant-volume thermometer at a certain temperature supports a certain column of mercury. At a different temperature, what would it support?

 

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I must know this for tomorrow!

 

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[hage567]

Have you come up with anything? What relates things like pressure, volume and temperature?

 

[Weave]

You mean like:
$$\frac{P_{1}V_{1}}{T_{1}}=\frac{P_{2}V_{2}}{T_{2}}$$?