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Temperature

This category is for questions about the various units and conversions of temperature, as well as the freezing point and boiling point of elements and compounds.

19,212 Questions

When did Celsius and Fahrenheit originate?

Anders Celsius created the Celsius scale in 1742, and Daniel Gabriel Fahrenheit developed the Fahrenheit scale in 1724.

What is the boiling point of an aqueous solution that has a vapor pressure of 18.5 at 25 degrees Celsius?

The boiling point of an aqueous solution can be calculated using the formula: ΔT = iKbm, where ΔT is the boiling point elevation, i is the van't Hoff factor, Kb is the ebullioscopic constant, and m is the molality of the solution. Given the vapor pressure of 18.5 mmHg, you can determine the molality of the solution and then calculate the boiling point elevation.

What is the temperature of the mesosphere?

The mesosphere is a layer of Earth's atmosphere that extends from about 31 to 53 miles (50 to 85 kilometers) above the Earth's surface. Temperatures in the mesosphere can vary, but typically range from about -130°F to -210°F (-90°C to -130°C).

Most nations use what scale of temperature?

The Celsius scale, which was known as the centigrade scale.

Why can't water excede it's boiling point?

Who told you that water can not exceed its boiling point? It happens every day! Every day someone heats a cup of water in the microwave. It reaches around 110 C or 230F. Then when they drop a teaspoon full of instant coffee into the cup, it boils all over the place. The superheated water is dropping down to its boiling point. Water can exceed its boiling point.

Water can also exceed its boiling point in an enclosed pressurized container. One such machine was called "The steam locomotive." One item used on the cook stove was called "The Pressure Cooker." These heated water above the boiling point.

However, under standard conditions, when water begins to boil its vapor pressure will equal the air pressure. Any attempt to make the water hotter would increase its vapor pressure. When water gives off vapor, that cools down the temperature of the water. So the air pressure determines boiling point.

What is the temperature measured in?

Temperature is typically measured in units such as Celsius (°C) or Fahrenheit (°F) depending on the region or application. Another common unit is Kelvin (K), which is often used in scientific contexts.

32F is what is ccelsius?

32°F is equal to 0°C. You can convert Fahrenheit to Celsius by subtracting 32 and then multiplying by 5/9.

How can you Calculate the change in length of a steel bridge girder that will be exposed to a temperature change?

Use the coefficient of thermal expansion. This is a measure of how much a unit length of steel would expand per each unit increase in temperature. There are different kinds of steel so you may need to know its composition.

How do you change c to f in a thermoscan thermometer?

Press O/mem down, while holding it, press the button that you press when checking a temp. On the LCD you should see C - 5, press it until it shows F degrees. (May have to press button until C - 5 appears, which I had to, 5 times) I have an older model, and that is how I can change it.

Is Celsius hot?

Celsius and Fahrenheit are different scales; most countries use Celsius, a few countries use Fahrenheit instead.

Celsius and Fahrenheit are different scales; most countries use Celsius, a few countries use Fahrenheit instead.

Celsius and Fahrenheit are different scales; most countries use Celsius, a few countries use Fahrenheit instead.

Celsius and Fahrenheit are different scales; most countries use Celsius, a few countries use Fahrenheit instead.

What type of wire is used in very high temperature locations such as electric heater assemblies?

Nickel-based alloy wires such as nichrome or kanthal are commonly used in high temperature locations such as electric heater assemblies due to their ability to withstand high temperatures without significant degradation. They have high melting points and excellent resistance to oxidation, making them ideal for such applications.

If the total evaporating pressure was 76 psig for r-22 and the compressor inlet temperature was 65 F what would be the total superheat entering the compressor?

To determine the total superheat entering the compressor, you would need to know the saturation temperature corresponding to the evaporating pressure of 76 psig for R-22. Once you have that saturation temperature, you would subtract the compressor inlet temperature of 65 F from the saturation temperature to find the total superheat.

What temperature does tungsten burn at?

Tungsten burns at temperatures around 6,192 degrees Fahrenheit (3,420 degrees Celsius). This high melting point makes tungsten a valuable material for applications requiring extreme heat resistance, such as in lightbulb filaments and industrial heating elements.

What is 11 degrees Celsius in Fahrenheit?

11 C = 51.8 F
To convert from degrees Celsius to degrees Fahrenheit, multiply the number by 9, divide by 5, and add 32. In this instance:

11 x 9 = 99 / 5 = 19.8 + 32 = 51.8

Therefore, 11 degrees Celsius is equal to 51.8 degrees Fahrenheit.

How many degrees between freezing point and boiling point on the celsius temperature scale?

There are 100 degrees Celsius between the freezing point (0°C) and boiling point (100°C) on the Celsius temperature scale.

Fahrenheit equivalent of 22 centigrade?

Conversion of Centigrade to Fahrenheit

F = (C * 9 / 5) + 32

so, ( 22 * 9 / 5 ) + 32 is 71.6 degrees Fahrenheit.

How do you convert 98.6 F to centigrade?

To convert Fahrenheit to Celsius, you can subtract 32 from the Fahrenheit temperature and then multiply by 5/9. For 98.6°F, the conversion would be (98.6 - 32) * 5/9 = 37°C.

Is mercury state physical at 25 degrees Celsius?

Mercury's state at 25 degrees Celsius is liquid.

What is 180 degrees farrenheit to Celsius?

180 degrees Fahrenheit = 82.2 degrees Celsius.

What is 100 degees in Celsius?

because it's really 212 degrees Fahrenheit. (:

Convert 13 C degrees into Fahrenheit?

13 degrees Celsius is equal to 55.4 degrees Fahrenheit. This can be calculated using the formula: °F = (°C × 9/5) + 32.

What is the temperature of a snowball?

25 degrees Fahrenheit makes the best snowballs

70 degree Fahrenheit how much celsius?

70 degrees Fahrenheit is equivalent to approximately 21 degrees Celsius.

What is 212 degrees Fahrenheit is in Kelvin?

320 degrees Fahrenheit = 160 degrees Celsius.