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What was the first liquid used in a thermometer?
The first liquid used in a thermometer was likely alcohol, specifically ethanol. Alcohol has a low freezing point and a wide range of expansion when heated, making it suitable for use in early thermometers.
Why is the thermometer not suitable to measure the freezing point and boiling point of water?
Although a thermometer CAN be used its presence affects the temperature.
What are three reasons why water is unsuitable for use as a thermometer liquid?
Water has a high specific heat capacity, which means it changes temperature slowly which limits its sensitivity as a thermometer liquid. Water freezes and boils at standard temperature and pressure, limiting its range as a thermometer liquid. Water is reactive and can corrode materials, making it unsuitable for long-term use in some thermometers.
What will the mercury thermometer show when it is kept in ice?
The question must be asked carefully. If the thermometer is in water ice and there is no liquid water, and there is one atmosphere of pressure, the thermometer can read anything from the freezing point of water and lower, depending on the range of the thermometer. If the thermometer is in a stable mix of water and ice, it will read the freezing point of water.
How does the heat reach the thermometer in the heated beaker?
Heat reaches the thermometer in the heated beaker primarily through conduction and convection. As the beaker is heated, the water molecules gain energy and transfer that energy to the thermometer through direct contact. Additionally, as the warmer water rises and cooler water descends, convection currents help distribute heat throughout the liquid, ensuring that the thermometer accurately reflects the water's temperature. This process allows the thermometer to register the temperature of the liquid efficiently.
Which thermometer is most suitable for measuring boiling point of water mercury or alcholic thermometer?
Which thermometer is most suitable for measuring boiling point of water mercury or alcoholic thermometer
What was the first liquid used in a thermometer?
The first liquid used in a thermometer was likely alcohol, specifically ethanol. Alcohol has a low freezing point and a wide range of expansion when heated, making it suitable for use in early thermometers.
A thermometer is placed in water in order to measure the water temperature. What would cause the liquid in the thermometer to drop?
If surrounding water temperature is lower than the water in the thermometer, heat will transfer from the water in the thermometer to the colder water causing the liquid in the thermometer to drop.
What are the disadvantages of using water as a liquid in the thermometer?
Water has a limited range of use due to its freezing and boiling points. It can evaporate easily and may not be suitable for high-temperature applications. Water can also freeze and expand, potentially damaging the thermometer.
What happens to the thermometer when it enters in cold water?
When a thermometer enters cold water, the temperature reading on the thermometer will decrease as the thermometer adjusts to the temperature of the water. The liquid inside the thermometer will contract and move down the scale, indicating the lower temperature of the cold water.
What is the most suitable thermometer for measuring boiling point of water?
A digital thermometer with a range of up to 100 degrees Celsius and high accuracy would be most suitable for measuring the boiling point of water. It should be able to quickly and accurately display the temperature at which water boils, which is 100 degrees Celsius at sea level.
Why is the thermometer not suitable to measure the freezing point and boiling point of water?
Although a thermometer CAN be used its presence affects the temperature.
What are three reasons why water is unsuitable for use as a thermometer liquid?
Water has a high specific heat capacity, which means it changes temperature slowly which limits its sensitivity as a thermometer liquid. Water freezes and boils at standard temperature and pressure, limiting its range as a thermometer liquid. Water is reactive and can corrode materials, making it unsuitable for long-term use in some thermometers.
What will the mercury thermometer show when it is kept in ice?
The question must be asked carefully. If the thermometer is in water ice and there is no liquid water, and there is one atmosphere of pressure, the thermometer can read anything from the freezing point of water and lower, depending on the range of the thermometer. If the thermometer is in a stable mix of water and ice, it will read the freezing point of water.
What was the first liquid used in the first ever thermometer?
Water - Galileo Galilei invented a rudimentary water thermometer in 1593 which, for the first time, allowed temperature variations to be measured
Why is alcohol and mercury in liquid thermometer than water?
Water freezes at too high a temperature.
What is the liquid in a Galileo thermometer and how does it work?
The liquid in a Galileo thermometer is usually a clear alcohol or water-based solution. The thermometer works based on the principle of buoyancy, where the density of the liquid changes with temperature. As the temperature changes, the liquid expands or contracts, causing the glass spheres with different densities to rise or sink, indicating the temperature.
