Temperature

The boiling point range of known samples can vary widely depending on the specific compound. Common substances have boiling points ranging from around 100°C (water) to several hundred degrees Celsius (organic solvents). The boiling point range is typically determined by the intermolecular forces present in the substance.

600 Kelvin is 326.85 degrees Celsius.

To convert Kelvin temperatures to Celsius degrees, subtract 273.15 from the Kelvin. The Kelvin temperature scale has its zero point at absolute zero, -273.15 °C.

Depends on the pressure the water is under, but normal water will freeze.

The main difference is their phase: ice is a solid, while water is a liquid. Both substances have the same mass (1lb) and temperature (32°F), but the ice will need to absorb heat to reach the melting point and change into liquid water.

Theoretically at 0ºC, 32ºF or 273.15K (at 101300Pa pressure)... In a real life experiment would vary depending on athmospheric pressure.

Melting point and boiling point determination can help in identifying unknown compounds by comparing the experimental values with known values in databases. A match can indicate the compound's identity. Additionally, the range of melting point and boiling point can provide information on the purity and molecular structure of the compound.

The freezing point of a tennis ball is when it solidifies due to low temperatures, typically around -5°C to -15°C. The melting point of a tennis ball is when it turns into a liquid state, typically between 70°C to 100°C.

I just learned this while researching grow lamps today.

The conversion from nm to K is:

SInce I'm typing this out on a computer, and don't really know how to turn on my funny math symbols, I'm going to rewrite the equation below, with everything in the same place, only replacing the funny symbols with other variable symbols that I can reproduce on a regular keyboard.

nm = 2,897,768 / K

In this equation:

nm = nanometers, or peak wavelength

K = Peak temperature, in degrees Kelvin.

2,897,768 = the number that needs to be in the equation according to some big science and math conference where a whole lot of nerds got together and decided things like the number that needs to be in that spot in the equation. I tried to understand it, but I don't know anything about math terminology and am not smart enough to learn about it tonight before I respond to this, so I can't explain why that number exists, only that it has to be there to complete the conversion.

This equation is called Wien's law, and it is actually a lot more complex than I'm making it here, but to use it properly would take more understanding than I have. This method is not as accurate as if you were to use the full equation, but it's so close that most people even simplify it further to nm = 3,000,000 / K, and still consider it accurate enough to be a practical reference tool.

I'll show a few examples.

A light bulb rated at 4500K translates to 644nm.

644 (nm) = 2,897,768 / 4500 (K)

A light bulb rated at 6500K translates to 446nm.

446 (nm) = 2,897,768 / 6500 (K)

A light bulb rated at 10.000K translates to 290nm.

290 (nm) = 2,897,768 / 10,000K

The sun puts out peak radiation at 5778K, which is approximately 502nm.

502 (nm) = 2,897,768 / 5778 (K)

Adversely, to convert the opposite direction, swap the position of the nm and the K to look like:

K = 2,897,768 / nm

The response to your question would look like this: K = 2,897,768 / 450

K = 6,439K

You'll notice that when you make it a little easier on yourself and use 3,000,000 instead of 2,897,768, the result is quite noticeably inaccurate, but I suppose if you needed that much accuracy, you'd be in a lab somewhere doing this yourself instead of asking a moron like me to explain it.

Start by taking the number in Fahrenheit and subtracting 32. Then divide the number by 9, and then multiply it by 5. This is how you convert Fahrenheit to Celsius or use the equation C = (F - 32) × 5/9
In this case, the answer is about 25.56 degrees Celsius.

100 degrees Celsius or 212 degrees Fahrenheit

The freezing point of co2 is -78.5
When studying chemistry, it is important to know the freezing point of things that may be handled. The Freezing point of Carbon Dioxide is -108.4 degrees Fahrenheit.

25°C is equivalent to 77°F in Fahrenheit.

I'm sure your teacher thought he (or she) was being clever when he asked you that. It's sort of a trick question. He's expecting you to say yes, because people associate fur with increased warmth, so he's going to tell you that the correct answer is no. But the correct answer is that it depends on the temperature of the air trapped inside the fur before it was wrapped around the thermometer. This requires some explanation. If the thermometer and the fur are in the same room and have been for a while, then we can assume that the temperature indicated by the thermometer is also the temp of the fur. Wrapping the fur around the thermometer, in that case, will do nothing to raise the temp of the thermometer, because the fur is not a source of heat energy. It merely insulates the thermometer from the environment outside the fur. If, however, the thermometer were outside in the winter and the fur were in your cozy, warm house, wrapping the thermometer with that fur would raise the temp of the thermometer somewhat, because it would change to read the temp of the air trapped by the fur.

Sea water boils at a higher temperature than freshwater due to the presence of dissolved minerals. On average, sea water boils at around 212°F (100°C) at sea level, but this can vary depending on the specific mineral content of the water.

* of or belonging to or active during the day; "diurnal animals are active during the day"; "diurnal flowers are open during the day and closed at ... * having a daily cycle or occurring every day; "diurnal rotation of the heavens"

* A flower that opens only in the day; A book containing canonical offices but not matins; A diary or journal; A daily news publication; Occurring daily; Primarily active during the day; Open during daylight hours, closed at night; Repeated or recurring daily. ...

* Performed in twenty-four hours, such as the diurnal rotation of the Earth.

* Active by day-, as opposed to nocturnal.

* Occurring in the daytime. A patient may have a diurnal fever rather than a nocturnal one. Diurnal also can refer to recurring every day. ...

* Daily; related to actions which are completed in the course of a calendar day, and which typically recur every calendar day (eg, diurnal ...

* Most active during the daytime rather than at night.

* active by day.

* during the daytime. The diurnal resting places of mosquitoes, especially newly-fed females, may be important in malaria control

* Organisms that are active during daylight hours.

* Pertaining to the day time. Used in referring to the 'sect' of a chart: ie either diurnal or nocturnal. If someone is born during the day time when the Sun is above the horizon then they have a diurnal chart. If they are born at night then they have a nocturnal chart.

* day or daytime; daily or daily cycles; as opposed to nocturnal.

* The term diurnal refers to a tide which has a period or cycle of approximately one tidal day (about 25 hours). Diurnal tides usually have one high and one low tide each day. The tides at Karumba are a typical example of diurnal tides.

* literally "of the day", but here meaning having a period or a "tidal day", ie about 24.8 hours See also: semi-diurnal

* referring to daily phenomena.

* of flowers, opening only during daylight hours.

* Recurring daily. Diurnal processes on Earth repeat themselves every 24 hours but on the Moon repeat every 28 Earth days. The length of a lunar day is 28 Earth days.

* A reference to a period of one day.

* relating to or occurring in a 24-hour period; daily

* Daily, usually applied to events or cycles that repeat on daily intervals.

* Used to describe birds that are active during the day. Most birds are diurnal.

* Pertaining to the daylight portion of the 24-hour day.

It is desirable to have water a few degrees colder than room temperature when the initial temperature was taken for accuracy to be achieved. This is affected by the amount of heat energy which escapes the surroundings when the water is above room temperature.

Wood alcohol (methanol) freezes at -97.8° C (-144.0° F) and boils at 64.7° C (148.5°F) Grain alcohol (ethanol) freezes at -114.1° C (-173.4° F) and boils at 78.5° C (173.3° F)

You can find the methanol boiling point curve at various pressures in chemical engineering handbooks, thermodynamic databases, or online resources such as NIST Chemistry WebBook. These sources provide detailed information on the boiling points of methanol at different pressures.

Delta E = q + w w = -PdeltaV Remember the Ideal Gas Law PV = nRT Depending on what is constant solve. If T and P are constant w = -PdeltaV = -P(deltan X RT/P) = -deltanRT R = 8.3145 JK-1mol-1 n = mol T = Temp in K

It requires energy to change the state of water from liquid (water) to gas (steam), so even thought they are at the same temperature, the same amount (1 gram) of steam holds more energy than 1 gram of liquid water at the same temperature.

If the steam came in contact with a person's skin, it would lose energy, some of it absorbed by the person (causing damage), and it will not reduce temperature until it is condensed, because all of the energy lost was due to the state change.

Water has a higher "specific heat" than air, meaning that heat will conduct away far better through water than it will through air. It is exactly the same temperature as the air around it (assuming it has been sitting there for a while), but it FEELS colder if you touch it.
The human body needs to be able to dissipate some heat, just because we burn calories and create heat through our normal activity. Air at about 75 degrees gives us plenty of cooling ability without cooling us too much. Since water has a higher specific heat and conducts better than air it pulls heat out of our bodies far more efficiently, causing us to loose body heat at a higher rate. If we're only sticking our finger in the room temperature water, it just feels cool. If we climb into a swimming pool of "room temperature" water, we'll feel quite uncomfortable.

The Celsius temperature scale was changed to its current status shortly after the death of Anders Celsius, who devised the system. Until then, 0 degrees was the boiling point of water and 100 degrees was the freezing point.

(see: http://www.answers.com/topic/celsius)

Well from my research I found out the silver melts at about 1700 F and boils over 2400 F.

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