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If the lid is tight enough to raise the pressure in the pan (as in a pressure cooker), the boiling temperature will be higher. However, if the lid just sits loosely on top, it will make the water boil sooner because not as much heat is lost and the water heats up faster.

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How does the boiling temperature of water change with altitude?

Depending on the altitude the boiling point will differ. This calculator will give you the boiling point of the altitude that you desire to discover: http://www.csgnetwork.com/h2oboilcalc.html


Should I boil water with the lid on or off?

Boiling water with the lid on will make it boil faster because it traps the heat and steam, increasing the temperature inside the pot.


Does water boil faster with a lid on the pot?

Yes, water boils faster with a lid on the pot because the lid helps to trap heat and steam, increasing the temperature inside the pot and speeding up the boiling process.


Why is the water not boiling?

The water may not be boiling because it has not reached its boiling point yet. Boiling occurs when the water reaches a temperature of 212 degrees Fahrenheit (100 degrees Celsius) at sea level. If the water is not boiling, it may not have reached this temperature or there may be other factors preventing it from boiling, such as insufficient heat or a lid on the pot trapping steam.


Why it is difficult to move the lid of a jar that is half filled with boiling water after the jar has cooled down?

when the jar has boiling water, the air above is hot and less dense therefore there is a lower amount of air molecules then out side the jar. When you put the lid on the hot air inside cools, the previously hot air condenses and creates a vacuum of lower pressure, making it harder to unscrew the lid


Why water boils quicker on mountains?

boiling temperature remains same. air temperature varies . in mountains air temperature is lower. as surrounding temperature is lower water boils faster.,.or in other words heat transfer occurs faster due to difffernce in temperature. sorry to disagree the higher you go the lower the boiling point due to atmospheric pressure ex.. on Everest they cannot boil water hot enough to make tea My approach aside from above statements is: since boiling occurs when the pressure applied by the high kinetic energy molecules of water becomes same as that of atmospheric pressure. And since the pressure at mountains is low therefore boling temperature is lower in the same way. A good example is of pressure cooker, due to steam tightness, high pressure is generated in pressure cookers which thus increases the temperature of water inside because the boiling point of water is increased. Thus cooking food at high temperatures in few minutes. hope that the question is anwered. regards!:-)


Should I boil water with the lid on for better efficiency and faster boiling time?

Yes, boiling water with the lid on can increase efficiency and speed up the boiling process by trapping heat and preventing heat loss.


Why do the perfume evaporates when the bottle is open without the lid after a long time?

Well, just about everything evaporates after a long time left uncovered.As with other water-based products, the rate of evaporation increases with lower humidity, higher temperature, higher windspeed etc .


How is distilled water for batteries produced?

It is distilled.Distillation is a process of boiling then cooling a fluid in a contained environment such that the gas produced is collected and condensed to flow out into another container.It is typically comprised of several components: a heater, a source beaker, a vapor-capturing lid, an iced steam channel leading off and downward from the vapor capturing lid, and the collection beaker under the outlet of the iced steam channel.Beaker on heater, topped by vapor lid, steam flows through lid, into iced channel, condenses into water and flows out the outlet into the collection beaker.While it's not a 100% clean, it gets out all solid materials in the fluid and all solutes that are not of similar or lower boiling point of the fluid being collected. Since the fluid is converted to steam, it loses the capacity to carry solids in suspension, leaving them behind. Similarly, dissolved material with a higher boiling point is left behind because it is not converted to a gas at the temperature it is subjected to. If the boiling temperature is similar, for instance, ethanol and methanol (one makes you drunk, the other makes you blind and/or dead), the process isn't very efficient, meaning a lot of cross contamination - you get both parts in the collection beaker. And if the boiling temperature is lower, it will all boil by the time the desired fluid starts boiling, meaning it will all be transferred to the collection beaker.There are ways to overcome these problems, but it's difficult; certainly not something one can accomplish easily without dedicated equipment. Thus, making your own alcoholic beverages is a really bad idea.


Does covering a pot with a lid make things boil faster?

Yes, covering a pot with a lid can make things boil faster because it traps heat and steam, increasing the temperature inside the pot and speeding up the boiling process.


Can you pour boiling hot water in a mason jar and close the lid?

Pouring boiling hot water into a mason jar can be risky. While mason jars are designed to withstand high temperatures, sudden temperature changes can cause them to crack or shatter. If you do pour boiling water in, it’s best to leave the lid off until the jar cools to prevent pressure buildup, which could lead to the lid popping off or the jar breaking. Always exercise caution when handling hot materials.


What is happening when boiling vegetables on a stove and the lid pops up?

air is escaping. boiling veg in water causes air bubbles to be formed, which pressurize the lid up. Jimmy Neutron