does the temperature of a candle affect its burning time under a glass jar?
116530
No, a candle cannot burn under a jar.
106734
It depends on the relative humidity. The location with more relative humidity will cause more "sweating" or condensation on the outside of the glass. \n\nThis will usually be indoors, since it is usually drier indoors, thanks to air conditioners in the summer, and heaters in the winter.
1187086
Higher temp = faster diffusion. Higher temps give the atoms more heat, which is basically a faster rate of the atoms vibrating. If they move around faster, they'll obviously diffuse farther in the same amount of time. Next time, do your own homework
71035
Not 100% sure. But I think its because the air inside isn't moving. The air inside is stationary, while it is continuously circulating outside, which causes changes in the temperature. IMHO
404979
I think it is to do with the chemicals tht the companys use to add scent to candles. Have you ever lit anything that smells (like air freshener, deodorant)? Then you will see that it burns well. The candle is using those chemicles as fuel before    burning the wick. Also the dark one burnt qucker because of all the inks that are in it. Ink doesn't burn well so the colour is using more energy to burn itself.
345094
no. Paper requires heat of 420 degrees or so to combust. Wood goes up at the same temp. You may ruin the books due to decomp of paper at those temps found in an attic...yellowing of paper, brittle, etc., but not fire.
733110
Since the active ingredient in a candle is parrafin wax you need to get some plain parrafin wax and then some of the other non active ingredients.\n\nOnce you have done this light the parrafin wax and tryt o light the others and then you can see that you can not light the non active ingredients and you can light the parrafin.\n\nSo it must be the parrafin that burns in a candle.
51534
It all depends on the enviroment.  Obviously in a cooler environment it will take a lot longer to mold than in a warmer one.
528103
The most likely cause would be tensions in the glass during cooling; if the light had just (or recently) been switchd off then glass cooling at different rates can easily cause stress in the bulb which can cause it to explode. \n\n This could be triggered by very cold air in the room, something on the surface of the bulb or just a badly made bulb with for example varying glass thickness which could cause it to cool at different rates.  Cooling at different rates causes an explosion as the glass contracts in different rates and as glass is so brittle this can cause enough stress to crack the glass.\n\nTheatre and TV lights which burn at very high temperatures (typically in excess of 2000K) has to be dipped in alchohol if touched accidentally by human hands.  The oils from your fingers burn at the high temperatures and when the bulb is switched off the soot cools much quicker causeing the bulb to crack/explode.
955041
We've always used olive oil for that purpose to make a softer candle.\n\nChemically, paraffin is molecularily large alkanes.  The length of the alkane determines its degree fluidity (more accurately, its melting point).  Mineral oil is a purified alkane product that is liquid at room temperature, so it would be most compatible chemically with paraffin and would easily soften it.\n\nMy concern with some of the things that could be added is that it is uncertain what happens to them in the flame.  What sort of toxic substance do they become when burned?
45324
Hey this is an outstanding question because it really gets into the difference between temperature and heat and the power of the sun. All important stuff.\n\nThe answer is it depends on the time of day, the day   of the year, the diameter of the magnifying glass, and what you are heating!\n\nBooooring warning: The spot of light from even a small sized magnifier if reflected off white paper or a shiny surface can actually damage your vision. Be careful out there!\n\nSolar ovens can reach 400 F, enough to cook with.\n\nSolar forges can get up to temperatures which can melt metal.\n\nTemperature just measures how fast the molecules and atoms in stuff are jiggling or zooming around. \n\nHeat is a measure of energy, and for a particular piece of stuff, it is often related to temperature almost proportionally, like you double the temperature of a cup of coffee from 68 F to 136 F and the heat (energy) in the water roughly doubles too!\n\nThings can be wicked high temperature, but have very little heat. For instance at high altitudes the atmosphere is almost a vacuum and the molecules go whizzing around. The temperature is insanely high, but jet airplanes don't melt. Because there is so little matter.\n\nOr an object can have lots of heat but not burn you. Check out the science demo in the sources about holding a glowing red space shuttle tile in your bare hand.
455855
The temperature of the candle is measured in kelvin scale . it varies between 1800 to 1850 degrees kelvin.Zero Kelvin (not zero degree Kelvin) corresponds to -273.15 degrees Celsius, so ice melts at +273.15 K and water boils at +373.15 K.( 100 degrees celsius) .so in degrees celsius it would range from 1576.85 to 1526.85°celsius..hope this answers your question.
834397
Hi there. I have sold Partylite candles for 6 years. May be of some help. We always use the hour for every inch in diameter. If the candle is 3 inches around, let it burn for 3 hours or longer. Do you know how wide? That should help give you an estimated time?!
509360
Probably not.\n\nIt takes a very high temperature to get the colors you are talking about. The temperature of a candle is a lot less than those found in pyrotechnics or a bunsen flame.
8516
The heat of the flame melts the wax. The wick will transport liquid wax into the flame zone (by capillary action), where it can evaporate. The flame consists of two different zones, an oxygen-rich outer layer where carbon monoxide burns with a transparent blue flame and an oxygen-poor inner core where soot particles give off the warm orange glow of a candle flame.\n\nChemically, you have a reaction of the wax (esters of fatty acid) with the air oxygen, forming carbon dioxide and water, and depending on the quality of the wick, soot from incomplete combustion.
1012439
Heat will make molecules expand.  Expanded molecules will take up more room and will affect the volume.  A hot liquid will take up more volume, especially in small containers, like pipettes.  It will give you a false measurement.\n\nFor accurate results, the glassware is calibrated with liquids at the specified temperatures.
186829
The latent heat of vaporization is "hidden" because you can only detect it indirectly.  A substance will maintain a consistent temperature when it reaches its boiling point, and exist in a sort of equilibrium between it's gas phase and liquid phase.  Once the liquid has absorbed the energy needed to vaporize entirely, then the temperature will start to go up.  You can only measure the required heat by calorimetric measurements where you look at the amount of energy being added to the system, not by just looking at a temperature change.\n\nI've never heard the term "latent heat of friction" and a yahoo search for that string returned no results.  I'm not sure what you mean by it.