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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
Can water boils at 98 degree celsius?
Water boils at 100 degrees Celsius at standard atmospheric pressure. However, the boiling point of water can be influenced by factors such as altitude and pressure.
If the K in the question refer to Kelvin, it is not "in Celsius".
The Celsius scale is an interval scale. This means that the difference between 5 deg C and 10 deg C is the same as that between 32 deg C and 37 deg C, or -56 deg C and -51 deg C. However, the choice of the 0 for this scale (the triple point of water) is arbitrary. As a result, 10 deg C is not twice anything that is 5 deg C (other its numerical value).
By contrast absolute temperature, measured in terms of thermodynamic activity, is measured in Kelvin. The difference between 5 Kelvin and 10 K is the same as the difference between 5 deg C and 10 deg C, or 32 deg C and 37 deg C. But additionally, 10 K represents double the thermodynamic activity than does 5 K.
So a Kelvin degree is the same change as a Celsius degree but 1 K = -272.15 deg C.
What is negative 4 degrees Celsius in kelvin?
Negative 4 degrees Celsius is equivalent to 269.15 Kelvin.
What is the lowest Fahrenheit temperature shown on the thermometer?
The lowest temperature shown on a standard Fahrenheit thermometer is typically -40°F.
At what degrees celsius does a liquid turn to a solid?
The freezing point of water is when it will change from a liquid state to a solid state; the freezing point of water is 0 C.
The evaporation rate can vary, but approximately it might take around 1-2 days for 100ml of water to evaporate in a well-ventilated room at normal room temperature (about 23-25 degrees Celsius). The factors affecting the rate of evaporation include humidity levels, ventilation, and surface area exposed to the air.
How many kilo joules are need to raise the temperature 17 Celsius to 34 Celsius?
To calculate the energy required, you can use the formula:
Q = mcΔT
Where Q is the energy in joules, m is the mass in grams, c is the specific heat capacity, and ΔT is the change in temperature in Celsius.
Given the temperature change is from 17°C to 34°C and you have the mass and specific heat capacity, you can calculate the energy required in kilojoules.
30 degrees Celsius is eual to what degrees k?
30ºC = 303.15K
Use this equation to convert Celsius/Centigrade to degrees Kelvin: ºC + 273.15 = ºK
What does 40 degrees Celsius equals what Fahrenheit?
The same number, -40 C.
F = 9/5 C + 32
C = 5/9 (F -32), F is -40
C = 5/9 (-40 -32)
C = 5/9 (- 72)
C = - (5 x 72) / 9
C = - 360 / 9
C = -40
In your head: "twice C minus 10% plus 32 is F"
2 x -40 C = -80; -80 - (-8) = -72; -72 +32 = -40 F
Similarly, 2x100C-20+32= 212F, boiling point of pure water at STP
What is the boiling and freezing point of the Fahrenheit scale?
Of water, 212 and 32 degrees, respectively.
What is 103.6 f changed into Celsius?
103.6 degrees Fahrenheit is equal to a temperature of 39.78 degrees Celsius.
- F to C Formula: C = (F - 32) x (5/9)
The lowest possible temperature for a cubic meter of air holding 50 g of water vapor at 10 degrees Celsius is the dew point temperature, at which the air becomes saturated. The dew point temperature is around 7.7 degrees Celsius for these conditions.
No, I do not agree with the statement. A solid substance does not liquefy at 25 degrees Celsius and change back to solid at 20 degrees Celsius unless the substance has a specific phase transition point within that temperature range.
Fahrenheit is a temperature scale commonly used in the United States. Zero degrees Fahrenheit is equivalent to -17.78 degrees Celsius, and 100 degrees Fahrenheit is equivalent to 37.78 degrees Celsius.
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 35.6 degrees Fahrenheit.
How do you calculate melting points and boiling points by using enthalpy and entropy?
The melting point and boiling point of a substance are related to its enthalpy of fusion and vaporization, respectively, and its entropy of fusion and vaporization. The melting point is where the solid and liquid phases are in equilibrium, while the boiling point is where the liquid and vapor phases are in equilibrium. By analyzing the balance between enthalpy and entropy changes during phase transitions, you can predict and calculate melting and boiling points.
How are viscosity and temperature related?
Viscosity and temperature are inversely related. As temperature increases, the viscosity of a liquid typically decreases. This is because higher temperatures cause molecules to move more freely, leading to a decrease in the resistance to flow and a decrease in viscosity.
The different temperature between these temperatures is 4 degrees, as 15 degrees Celsius is equivalent to 59 degrees Fahrenheit, 475 degrees Kelvin, and 519 degrees Rankine.
What did lord kelvin do to help the world?
Lord Kelvin, also known as William Thomson, made significant contributions to the fields of physics and engineering. He formulated the first and second laws of thermodynamics and developed the Kelvin temperature scale. His work laid the foundation for modern physics and engineering principles.
Why is hydrogan peroxide higher boiling point than water?
Hydrogen peroxide has a higher boiling point than water because it has stronger intermolecular forces due to the presence of hydrogen bonding. This results in a higher energy required to break the bonds between hydrogen peroxide molecules, leading to a higher boiling point compared to water.
What temperature is a measure of at the atomic level?
Temperature at the atomic level is a measure of the average kinetic energy of the particles in a system. It reflects how fast the particles are moving or vibrating.
