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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
Nine degrees can be considered warm in some cooler climates, but it is generally considered cool or even cold in most regions. Whether 9 degrees is considered hot or not will depend on personal preference and what one is accustomed to.
What does Forty Four degrees Fahrenheit equal in Celsius?
44 degrees Celsius is 111.2 degrees Fahrenheit, if you were looking for a conversion.
What is the temperature of a field?
The temperature of a field can vary depending on factors such as sunlight exposure, weather conditions, time of day, and geographical location. It is not possible to provide a specific temperature without more context.
Compare the accuracy of the wheatstone and kelvin double bridge?
The Kelvin double bridge is more accurate than the Wheatstone bridge because it eliminates errors associated with lead resistance and contact resistance in the circuit. The Kelvin bridge uses four terminals to independently measure and compensate for these errors, resulting in more precise resistance measurements.
Is the lower hotter for Celsius?
No, in Celsius temperature scale, lower temperatures are colder and higher temperatures are hotter.
Is 1 degree Fahrenheit warmer than 1 degree Celsius?
No. Fahrenheit to Celsius is figured out by this equation: C=(F-32) x 5/9 AND Celsius to Fahrenheit uses this equation: F=(9/5 x C) + 32
No, 1 degree Fahrenheit = -17.22 degrees Celsius
The thermometer should read 100 degrees Celsius when placed in boiling water at standard atmospheric pressure.
The freezing point of water is 273.15 K. The difference between them is 14.15 K.
Where do you use a tympanic thermometer?
A tympanic thermometer is used to measure body temperature by placing it in the ear canal. It is commonly used in medical settings, such as hospitals and clinics, as well as at home for quick and accurate temperature readings.
What is the highest degrees in kelvin on earth?
If we could determine the total mass of the universe we might be able to come up with a theoretical upper limit of what is possible, but for all practical purposes the Kelvin scale has no upper limit.
The specific heat capacity of lead is 0.128 J/g°C. First, calculate the change in temperature (180°C - (-26°C) = 206°C). Then, calculate the heat energy using the formula Q = m * c * ΔT, where Q is the heat energy, m is the mass, c is the specific heat capacity, and ΔT is the change in temperature. So, Q = 38 kg * 0.128 J/g°C * 206°C. This equals approximately 991.36 kJ of heat energy absorbed.
To convert 71°F to Celsius, you can use the formula: C = (F - 32) x 5/9. In this case, 71°F is equal to 21.67°C.
Results from a change at the boiling point?
A change in boiling point typically indicates a change in the intermolecular forces of a substance. For example, adding a solute to a solvent will usually increase the boiling point due to the formation of new intermolecular interactions. Conversely, a decrease in boiling point may signal a weaker intermolecular force, as seen in solutions or mixtures.
Yes, 35 degrees Celsius is cooler than 100 degrees Fahrenheit. 35°C is equivalent to 95°F, so it is 5 degrees cooler.
How many btus are requiier to change five pounds of ice 20f to steam at 220f?
To change 5 pounds of ice at 20°F to steam at 220°F, you would first need to heat the ice to its melting point, then heat the water to its boiling point, and finally convert the water to steam. The total heat required can be calculated using the specific heat capacities of ice, water, and steam, as well as the heat of fusion and vaporization. The specific calculations would depend on the specific heat capacities and heat of fusion/vaporization values provided.
== == === === It takes longer to heat or cool water than for air. The water was probably warm from being heated by the sun all day, and so was the air. But in the evening or when there is a cloud cover, the air cools more rapidly than the water, hence the observed difference and conflict. Likewise, water that sits in the cold all night long (or for several days) stays cold for a long time, even during the first few hot days where the air is warm.
== == When you jump out of a swimming pool, the water molecules on the surface of your body escape with whatever body heat you had while in the pool. Water is an excellent conductor of heat (as opposed to an insulator) so it steals heat from your body. So you feel colder out of the pool right after you come out.
What is the state of matter at 150 degrees Celsius?
At 150 degrees Celsius, most substances would be in the liquid state. However, the state of matter at that temperature may vary depending on the specific substance, as some materials have different melting points.
Liquid subcooling is the difference between the condenser outlet temperature and the saturation temperature of the refrigerant. For R22 with a condenser outlet temperature of 108°F at 260 psig, the saturation temperature is approximately 94°F, resulting in a liquid subcooling of 14°F.
The evaporator superheat for this system would be 18°F. This is calculated by subtracting the evaporator outlet temperature of 58°F from the saturation temperature of the refrigerant at 76 psig, which is 76°F. The difference between the two temperatures gives the evaporator superheat.
A solute adds particles to a solution, such as:
NaCl-> Na+ + Cl- This puts 2 particles in the solution for every 1 formula unit of table salt. Any particle that gets added to a liquid interferes with the liquids ability to form crystals (ice), it interferes with the liquids ability to break surface tension ( boiling), and since less liquid molecules can escape there is less vapor pressure.
Addition of a solute means:
To freeze the solution you would have to slow the molecules down more than normal to encourage crystal growth, so the temp must be lowered.
To boil the solution you would have to speed the molecules up more than normal to encourage the molecules to leave the liquid, so the temp must be increased.
To increase the vapor pressure of the solvent has the same explanation as boiling.
What element melts at 120 degrees Celsius?
The element that melts at 120 degrees Celsius is mercury (Hg).
What happens to proteins dissolved in that water when you heat it to 100 degrees celsius?
When water is heated to 100 degrees Celsius, proteins may denature and unfold, disrupting their specific 3D structure. This can lead to loss of their biological function and possibly aggregation, causing the proteins to clump together. Additionally, some proteins may hydrolyze or break down into smaller peptides or amino acids due to the high temperature.
What is the boiling point in degree Celsius of water?
The boiling point of water at sea level is 100 degrees Celsius.
