If the volume of a gas is #5.9*mL# when #T=279.05*K# and #P=705.0*mm*Hg#, how will volume change when the gas is warmed to #332.8*K#, and the pressure is increased to #761.1*mm*Hg#?
The key to answering this question is the knowledge that
A mercury column, a so-called mercury manometer, is used in many laboratories as a visual representation of how good your vacuum pump is; if you isolate your gas line from the pump, you can check to see if there are any leaks in your gas line, because the level of mercury will drop (quickly or slowly) with a pinhole leak.
You have probably also seen doctors use a sphygmomanometer, to check a patient's blood pressure.
Mercury is in fact being phased out of many laboratories (and probably also doctors' offices) in that it poses a safety concern, and if you break the glass (not an uncommon occurrence), you get mercury EVERYWHERE, and this is major cleanup job that contract cleaners will not touch. Anyway that is the background I wanted to include because it might seem a bit whack to use a unit of length to represent pressure.
We use the old Combined Gas Law,
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