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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
Does gases have a boiling point?
Gas is a phase of a substance. Boiling is the point when a substance chains from liquid to gas. So if it is already gas, it has already reached the boiling point.
28 degrees Fahrenheit is equal to -2.22 degrees Celsius.
What is -20 faenheit in degrees?
To convert from Fahrenheit to Celsius, use the following formula:
(F - 32) x 5/9 = C
F being the temperature in Fahrenheit and C the temperature in Celsius.
So, substitute -20 with F and solve it.
(-20 - 32) x 5/9 = - 28.8888889
Hence, C = - 28.88888889
On a further note, to convert from Celsius to Fahrenheit, follow this "up-side down" formula:
C x 9/5 + 32 = F
And the variables are the same as before.
What causes a temperature gauge to stop working?
A faulty temperature sensor, a wiring issue, or a blown fuse could cause a temperature gauge to stop working. It could also be due to a malfunction in the gauge itself.
Water boils at a lower temperature on a mountain top due to lower atmospheric pressure at higher altitudes. This means that water will boil faster on a mountain compared to sea level where the pressure is higher.
Why is one finger colder than the others?
One finger may feel colder than the others due to poor circulation, stress or anxiety causing blood flow to be redirected away from the extremities, or it could be a sign of a medical condition such as Raynaud's disease. If you consistently notice one finger feeling colder than the others, it may be a good idea to consult a healthcare professional for further evaluation.
What is the melting point of fructose?
The melting point of fructose is approximately 103-105 degrees Celsius.
What is 700 degrees Kelvin converted to Celsius?
The answer is 426.85 C (approx.). The Kelvin scale starts at absolute zero and is used in scientific laboratories. Celsius is for general use and set 0 and 100 as melting and boiling point of water respectively. To convert from K to C, subtract 273.15 from K.
In the British system, the unit of temperature is degrees Fahrenheit (°F). To convert Fahrenheit to Celsius, you can use the formula: °C = (°F - 32) / 1.8. For example, water freezes at 32°F and boils at 212°F in the Fahrenheit scale, which is equivalent to 0°C and 100°C in the Celsius scale, respectively.
What is the speed of air molecules in a 50 degrees celsius room?
Not enough info. You need mass. Here is the formula.
Velocity(root mean square) = sqrt(3*gas constant(R) *temp in Kelvin(K)/mass) Two equations should be used:
p = 1/3 d<c2> ------1
where
p is pressure
d is density
and <c2> is mean square speed.
pV = nRT ------2
where
p is pressure
V is volume
n is number of moles of gas
R is the molar gas constant
and T is the thermodynamic temperature
From 1:
p = 1/3 Mr/VM <c2>
where density has been replaced by molar mass Mr divided by molar volume VM
Thus, pVM = 1/3 Mr <c2>
From 2:
pVM = RT (n = 1)
Therefore:
RT = 1/3 Mr <c2>
(<c2>)1/2 = (3RT/Mr)1/2 ------3
R = 8.314 JK-1mol-1
For air at a temperature of 50oC,
T = 273 +50 = 323 K
Mr = 0.8(28) + 0.2(32) = 28.8 g = 0.0288 kg
(Nitrogen has an approximate abundance of 80 % and molar mass 28 g and oxygen has an approximate abundance of 20% and molar mass 32 g)
Plugging in the values in the above equation 3, the speed of air molecules can be found. It is 529 ms-1.
This is a very large value. We might think that the molecules do not travel at these high speeds, but, in fact, they do. We can only be aware of the pressure they exert.(atmospheric pressure)
How does your stimulus do when you touch something hot or cold?
I don't have the ability to feel temperature changes because I am a computer program.
What metal melts at 1728 Celsius?
Tungsten has a melting point of 3422 degrees Celsius, which is well above 1728 degrees Celsius. Tin, which has a melting point of 231.93 degrees Celsius, is closer to the specified temperature but still melts at a higher temperature.
What are freezing and boiling temps for water?
Zero degrees C= Freezing temperature for water and one hundred degrees C= Boiling temperature for water.
What is 0 Celsius on the kelvin scale?
0 degrees Celsius is equivalent to 273.15 Kelvin on the Kelvin scale.
Why is the kelvin scale called the absolute?
Because 0 degrees Kelvin, also known as absolute zero, has been proven to be the lowest possible temperature there can be, and is in reality an unobtainable limit.
It's hard to explain why without using statistical analysis, so try to think of it like this: at 0 degrees K, a massive object would have 0 energy, therefore losing its mass, since mass is proportional to energy. Furthermore, any object with no mass has to move at the speed of light which now brings in relativistic issues. What I'm trying to say is, nothing can actually even obtain a temperature of absolute zero because to many equations would blow up. Hence the term absolute.
What is 26.5 degrees farhrenheit in celsius?
26.5 degrees Fahrenheit is approximately -3.06 degrees Celsius. This conversion can be done by subtracting 32 from the Fahrenheit temperature and then multiplying by 5/9 to get the equivalent Celsius temperature.
What is the melting point of a horse?
The normal rectal tmpratur of a horse is 99.5 ranging to 101.3. Do keep in mind that a very hot day or vry cold day can effect that a bit. Anything over 102. is considered a fever.
What is the curie point of water?
Water does not have a curie point because it is not a ferromagnetic material. Curie point is the temperature at which certain materials undergo a transformation in their magnetic properties from ferromagnetic to paramagnetic.
What is 15 degrees centigrade equal to in kelvin?
Kelvin is the SI unit for temperature. Celsius is usually used in metric systems. 0 degree celsius is 273.15 Kelvin. Kelvin increases equally with celsius. So to convert celsius to kelvin, we just add 273.15 to celsius. The answer in Kelvin is 288.15
What kind of iron will heat to 400 degrees Celsius?
A ceramic flat iron is a common type of hair styling tool that can reach temperatures up to 400 degrees Celsius. Ceramic hair straighteners are designed to evenly distribute heat and minimize hair damage while providing high heat settings for styling.
Is 230 degrees Fahrenheit hot or cold?
230 degrees Fahrenheit is considered hot for most applications, as it is above room temperature and is typically used for cooking or baking.
