What is the liquid in a thermometer?
It can range from mercury to alcohol it depends on the manufacturer.
The liquid inside the thermometer "contracts" when it is placed into something cold. This means that it decreases in volume and increases in density. This is the reason that the thermometer can measure heat: the volume of the liquid inside the thermometer changes as a function of heat, and the amount of liquid in the "tube" of the thermometer changes as a function of volume. Because of this relationship, the level of the liquid in…
Place the thermometer in the liquid you are measuring. Wait until the temperature stabilizes, and then read the thermometer at eye level, just like you would a graduated cylinder, except that there's no meniscus. If you are measuring a liquid that is being heated over a Bunsen burner, you should have the thermometer held in place with a thermometer clamp. You should have the thermometer positioned about halfway down in the liquid.
The only way that the mass can change is if matter is added or taken away. The volume of a liquid can increase if heated, such as the liquid inside of a thermometer. The thermometer is sealed and no liquid gets in or out, so the mass of the liquid is unchanged. But when the temperature goes up, the liquid expands and is forced to go up the thermometer.
Because that liquid in thermometer is actually a kind of metal called mercury (atomic symbol Hg). And like all metals it expand when heated. Hot water contains heat. --------------------------------------------- Because the liquid in the thermometer expands when it is warmed. As it expand it takes up more space and therefore rises up the measuring tube of the thermometer.There is liquid in some thermometer but, most have chemicals in it!!!!!!!!!!!
We cannot use other liquids in thermometer since it may not have a wide range of temperature for remaining in the liquid state. It may stick to the glass of the thermometer. It may be transparent. The liquid may not be sensitive to thermal expansion and may not have a uniform expansion with heat. The liquid may not be a good conductor of heat.The liquid may not be found in pure form. Hence mercury is…