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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 the boiling point of water is 100 degrees celsius is it a physical or chemical property?
The boiling point of water at 100 degrees Celsius is a physical property, as it is a characteristic of the substance related to its state of matter, specifically its transition from liquid to gas. Chemical properties, on the other hand, involve the substance's ability to undergo chemical changes or reactions.
What substance is expected to have the highest boiling point OCl SCl2 SeCl2 TeCl2?
TeCl2 is expected to have the highest boiling point among OCl, SCl2, SeCl2, and TeCl2 because it has the largest atomic size and highest molar mass. As molecular size and molar mass increase, the van der Waals forces between molecules also increase, resulting in higher boiling points.
Convert 15 degrees Celsius to Fahrenheit degrees?
Start by multiplying 15 with 9 and divide by 5. Then add 32 to the answer.
In this case the answer is 59 degree fahrenheit.
How much energy is required to raise 21kg of water by 2 degrees Celsius?
The specific heat capacity of water is 4.18 J/g°C. To calculate the energy required to raise 21 kg of water by 2 degrees Celsius, use the formula: Energy = mass x specific heat capacity x temperature change. Plugging in the values, the energy required is 21,084 Joules.
What temperature is 23 degrees Celsius warmer than minus 7degrees Celsius?
23 degrees Celsius warmer than -7 degrees Celsius is 16 degrees Celsius. (-7 + 23 = 16)
Okay. Allow me to organize this information:
V1 = 0.20 m3
T1 = 333 K (Note: Never write degrees before Kevin. It's just kelvin.)
T2 = 533 K - 333 K = 200. K ("." for 3 significant figures)
V2 = ?
This can be solved using the combined gas law, (P1V1)/(n1T1) = (P2V2)/(n2T2) (easier to remember) and removing the unchanged variables to get Charles's Law, V1/T1 = V2/T2.
0.20 m3/333 K = V2/200. K
200. K(0.20 m3/333 K) = V2
V2 = 0.12 m3
What is the freezing point of water in SI?
The freezing point of water in the SI system of units is 0 degrees Celsius or 273.15 Kelvin.
How long does it take for one cup of water to freeze at 32 degrees F?
It typically takes about 3-4 hours for one cup of water to freeze at 32 degrees Fahrenheit in a standard freezer. Factors like the initial temperature of the water, container material, and the efficiency of the freezer can affect freezing time.
Is 60 degrees Fahrenheit warm?
60 degrees is technically cool but not cold it is more than likely chilly and windy! hope that answers you question
What zero degree as its freezing point and 100 degrees as its boiling point?
Depending on the Temperature scale ( Celsius) in this case, it is WATER.
On the Fahrenheit SCale is is 32 oF and 212 oF
On the Absoluate Scale it is 273K and 373K
On the Reaumer SCale is it 0 oR and 80 oR .
If a substance has a temperature of 273 kelvins what is it's temperature in degrees celsius?
273 Kelvin is equal to a temperature of -0.15 degrees Celsius.
- K to C Formula: C = K - 273.15
How many degrees Celsius is equal to 90 degrees Fahrenheit?
90 degrees Fahrenheit is 32.2 (repeating) degrees Celsius.
Terms like 'hot' and 'cold' must always be compared to something. Compared to our bodies, whose normal temperature is about 36, 78 degrees C is very hot. If the ambient temperature were 78 we should soon die. However, compared to boiling water, 100 degrees C, it's considerably cooler, and would have a significant effect on cooking times compared to boiling. 78 degrees C is 172.4 degrees F.
What are some experiments that the reaction rate is increased by increasing the temperature?
- Investigating the reaction of iron with oxygen to form iron oxide (rust) at higher temperatures will increase the rate of this reaction.
- Observing the decomposition of hydrogen peroxide to produce oxygen and water will result in faster reaction rates at higher temperatures.
- Studying the reaction between citric acid and sodium bicarbonate to produce carbon dioxide gas will exhibit increased reaction rates with temperature increases.
What temperature scale named after its inventor that goes 0 to 100 degrees?
The temperature scale named after its inventor that goes from 0 to 100 degrees is the Celsius scale, named after the Swedish astronomer Anders Celsius.
Is celcius a temperature scale?
Yes, Celsius is a temperature scale commonly used in many countries around the world, including in sciences, meteorology, and daily life. It is based on the freezing and boiling points of water, with 0 degrees Celsius as the freezing point and 100 degrees Celsius as the boiling point at standard atmospheric pressure.
Why was agar cooled below 50 degrees celsius?
Agar is cooled below 50 degrees Celsius to prevent it from solidifying too quickly. This allows time for the agar to be poured into Petri dishes and to evenly distribute any added nutrients or samples before it solidifies. Cooling it slowly also helps to avoid the formation of air bubbles in the agar.
Why it is impossible for anything to be colder than the lowest possible temperature?
Because - 'absolute zero' (0 Kelvin or -373 Celsius) - is the temperature at which everything freezes. Scientific testing has not found any substance or object that does not freeze below absolute zero.
Absolute temperature was introduced to resolve this problem.
If 25 Kelvin is doubled to 50 Kelvin then average kinetic energy and hotness also doubles.
Consider an example:
Suppose the temperature is 0 Celsius at midnight. At noon it will be twice as hot.
This is a paradox because mathematically it will be the same. (2x0=0)
The same is true for the question at hand.
25 degrees Celsius is the same as 298 Kelvin and 50 degree Celsius the same as 323 Kelvin.
323 is not twice of 298.
The long version:Lets start with the facts. Celsius is a scale of measuring temperature. It is a common scale that is used most all over the world, even in US, although they are more used to Fahrenheit.To say that 50 degrees Celsius is twice as hot as 25 degrees Celsius makes sense. 25x2 equals 50.
The math does not lie. Math can not lie. This is true to the scale applied.
From this I could say that the statement made in the question regarding this is incorrect, you must be wrong.
However.
If I am assuming that you are correct in your statement, then there "must" be an "error" somewhere.
We know that the Celsius scale is a relative scale but where does it begin? Where are the "end-points"?
We know that it has got negative values as well. How far down does it go?
Lets consider 1 Degree Celsius as One unit of measurement.
Celsius goes down to -273 Degrees Celsius. This makes 273 units before its relative start point of Zero. This is where we now "invert" the Celsius scale and start at the very bottom and only deal with positive numbers.
We have now "re-invented" the Absolute Scale of Kelvin. The units are the same. One Kelvin unit is equal to One Celsius Unit. It starts at the beginning instead of "way up".
We will now think about the question using this absolute Kelvin scale instead.
First we convert 25 and 50 into Kelvin (we just add 273 to both. This works because the units are the same.) This gives 298 K and 323 K.
Kelvin gives us the actual energy level (as in heat) instead of an energy level related to the melting point of ice as Celsius does. From this we can see that 323 k is not the double of 298 k and your statement in the question is correct.
I will again point out that Math does not lie.
Note.
Math can easily be "deceiving" when one need one kind of an answer and ask the question in regards to something else.
Some questions does only make sense when thinking about them "outside the box".
Scientists think "outside the box" all the time. :-)
175 degrees Fahrenheit is equivalent to 79.444 degrees Celsius
What Infrared thermometer is best used to measure the temperature?
A non-contact infrared thermometer is best used to measure temperature accurately and quickly. Look for one with a wide temperature range, adjustable emissivity settings, and high accuracy for best results. It is important to calibrate the thermometer regularly for precise measurements.
