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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 using Charles's law temperature must be on the?

Temperature must be in Kelvin when using Charles's law, as it is a gas law that states that the volume of a gas is directly proportional to its absolute temperature when pressure and amount of gas are constant.

Is 8 degrees Celsius colder than 2 Celsius?

No, 8 degrees Celsius is actually warmer than 2 degrees Celsius.

Is it true that in order for water at 60 degrees Fahrenheit to boil it must absorb both sensible and latent heat?

Yes, for water at 60 degrees Fahrenheit to boil, it must first absorb sensible heat to reach its boiling point of 212 degrees Fahrenheit. Then it must absorb latent heat to undergo the phase change from liquid to gas. This process of absorbing both sensible and latent heat is necessary for the water to transition from a liquid state to a gaseous state.

What is considered freezing cold temperature in the US?

Freezing cold temperatures in the US are generally considered to be below 32 degrees Fahrenheit (0 degrees Celsius). However, this can vary depending on the region and the typical climate of that area.

What happens when matter is heated to extreme temperatures greater than 10000 degree Celsius?

When matter is heated to extreme temperatures greater than 10,000 degrees Celsius, it typically undergoes changes such as ionization, where atoms lose their electrons, leading to the formation of a plasma state. This extreme heating can also cause matter to emit light across various wavelengths, which is often observed as a glowing or incandescent effect. Additionally, at such high temperatures, chemical bonds within the matter can break down, leading to further dissociation and recombination of atoms and molecules.

How can one convert Celsius to Fahrenheit?

To convert temperatures in degrees Celsius to degrees Fahrenheit

[°F] = [°C] × 9⁄5 + 32

To convert temperature in degrees Fahrenheit to degrees Celsius

[°C] = ([°F] − 32) × 5⁄9

How many joules are required to heat 22 g of water from 25 degrees C to steam at 125 degrees C?

The specific heat capacity of water between 25 C and 100 C is 4.1813 J / (g*K).

Beyond 100 C, the heat capacity of water is 2.080 J / (g*K)

So, it take 4.1813 joules of energy to heat 1 gram of water 1 degree Celsius (Kelvin).

Therefore, in order to heat 22 g of water from 25 C to 100 C (75 C), it would require:

4.1813 * 22 * 75 = 6899.145 J

And, to heat 22 g of steam from 100 C to 125 C (25 C), it would require:

2.080 * 22 * 25 = 1144 J

The combined amount of energy required would be:

6899.145 + 1144 = 8043.145 J

Where could one find a user guide for a Braun Thermoscan ear thermometer IRT4520?

You can find the user guide for the Braun Thermoscan ear thermometer IRT4520 on the Braun website under the product support section. You can also check the packaging of the thermometer or contact Braun customer service for assistance.

How much heat is required to evaporate 1 liter of water at 100 degree celsius?

The heat required to evaporate 1 liter of water at 100 degrees Celsius is known as the latent heat of vaporization of water, which is approximately 2260 kJ/kg. Since the density of water is about 1000 kg/m³, the heat required would be around 2260 kJ.

How many degrees centigrade is 43 degrees Fahrenheit?

43 degrees Fahrenheit is approximately 6 degrees Celsius. You can convert Fahrenheit to Celsius using the formula: (Fahrenheit - 32) x 5/9.

What is -273c equal to?

Start by taking the number in Celsius and multiply it by 9. Then divide that number by 5, and then add 32. This is how you convert Celsius to Fahrenheit or use the equation F = (9/5)C + 32
In this case, the answer is about -459.67 degrees Fahrenheit.

What is 21 below zero Fahrenheit in celsius?

21 below zero Fahrenheit is equal to -29.44 degrees Celsius.

What is the freezing point of polyurethane?

The freezing point of polyurethane can vary depending on its specific composition and additives. However, most polyurethanes do not have a distinct freezing point like water, but instead undergo a gradual transition from a liquid to a solid state as they cool.

What is 1 million kelvin in degrees Celsius?

1 million Kelvin is equal to 999726.85 degrees Celsius.

What would happen if you used a clinical thermometer to measure a hot drink?

Using a clinical thermometer to measure a hot drink can result in inaccurate readings as most clinical thermometers are not designed to measure temperatures of hot drinks. This can damage the thermometer and give false temperature values. It is recommended to use a thermometer specifically designed for measuring high temperatures in such cases.

What is 39 celsius in F?

39 degrees Celsius is equal to 102.2 degrees Fahrenheit.

What temp is too high for an adult?

An adult with a fever has an abnormally elevated body temperature over 100.4 degrees F (38 C). Elderly individuals with a fever should be managed carefully. The following adults should be evaluated by a physician:

* An adult with a fever over 102.9 degrees F (39.4 C) * An adult over 65 years old with a fever over 101.9 degrees F (38.8 C) * An adult with a fever that lasts longer than 3 days Types of fever include:

* Low-grade fever: ** Temperature less than 101 degrees F (38.3 C) * High-grade fever: ** Temperature over 104 degrees F (40 C)

What pathogens are able to multiply at tempts below 5 degrees?

The group called psychrophiles (cold loving) grow at temperatures from -15 to 10C. Most belong to the Arthrobactera sp and Psychrobactera sp. These are not pathogens. These bacteria also are inportant in forming the nuclei of rain drops and snow flakes. Some think that they may have been able to "seed" the Earth with life millions of years ago.

Another genera are the Pseudomonas. Pseudomonas aeruginosa's genome has completely been sequenced. Although this one has been identified with many diseases, it is not a psychrophile.

What meaning of hot?

of Hight, imp. & p. p. of Hote., Having much sensible heat; exciting the feeling of warmth in a great degree; very warm; -- opposed to cold, and exceeding warm in degree; as, a hot stove; hot water or air., Characterized by heat, ardor, or animation; easily excited; firely; vehement; passionate; violent; eager., Lustful; lewd; lecherous., Acrid; biting; pungent; as, hot as mustard., of Hote, of Hote

How much would the freezing point of water decrease if 4 mol of sugar were added to 1kg of water?

The normal freezing temperature for pure water is 0c. Howeverif sugar is added in the pure water, the freezing point will be lower than zero. How far below zero will depend on the sugar concentration in the water.

What is 39c in f degrees?

39 degrees Celsius is 102.2 degrees Fahrenheit.

What is 57 F in Celsius?

57°F is approximately 13.9°C.

What degrees below freezing is 23 degrees?

Water freezes at 32 degrees Fahrenheit. 23 is 9 below that.

What is 4.2 K in Celsius?

4.2 K in celsius is -268.95. K stands for kelvin. Kelvin is another unit used to measure temperature. Astronomers often prefer to use the kelvin temperature.