what experiment can be used to calculate which handle of a spoon can be better aluminum or steel so it won't get hot quickly while stirring.
I suppose you mean when the entire spoon is made from a solid piece of the metal? As you are unlikely to readily find an actual aluminium spoon to make real-world tests, maybe it would suffice to use a rod of each metal? -- rods of identical dimensions. See how long you can stir a saucepan of boiling water before having to let go. I expect that the results will be stark, needing no more precision in determining the best for short-term stirring. If you intend continuous stirring, and holding the spoon with a bare hand, then results might be more equivocal.perfection098 said:what experiment can be used to calculate which handle of a spoon can be better aluminum or steel so it won't get hot quickly while stirring.
This question is quite different from your original one, though that is okay.perfection098 said:thx for the help but can anyone tell me a experiment to use like finding the heat capacity of the items or something and explain or link me to where i can know the steps
NascentOxygen said:This question is quite different from your original one, though that is okay.
It would help if we knew your year at school, to gauge the sophistication appropriate. But how about this: set up a pot of boiling water on the stove, and drop into it a lump of aluminium and one of iron. These can be equal sizes, or of equal weight; you choose which is best. Leave them to soak up heat for 5 mins. Turn off the gas, and wait a minute while heating evens out.
In two identical china or pyrex jars, have equal depths of room temperature water, say, 1.5cm, providing that will cover the metal when you drop it in. Take out the hot metal pieces, and drop one into each bowl of water. Stir evenly with a plastic spoon, and measure temperature of the water after about 1 min.
BadBrain said:This is actually one of my favorite illustrations of the differential thermal transparency of Al and Fe: It just so happens that I love to cook, and, as I use both a cast-iron skillet and aluminum pans (some commercially manufactured, and some makeshift pans that I fold myself from aluminum foil), it's obvious to me that iron is relatively opaque to heat, but a massively capacious reservoir of the same, which means that it takes a long time and a lot of BTU's to heat up an iron pan, but, once it's hot, it stays hot for a long time. Aluminum, on the other hand, is relatively transparent to heat energy, such that it heats up much more quickly than does iron, but, take it off the heat, and you can safely touch it with your bare fingers in just a few seconds.
sophiecentaur said:aamof, a given mass of Aluminium requires MORE heat to produce the same change in temperature than the same mass of iron.
sophiecentaur said:Look up 'specific heat measurement'. You should do as much as you can on your own of your assignments, I think.
Steel and aluminum are both metals commonly used in various industries. When it comes to heat, steel has a higher thermal conductivity than aluminum, meaning it can transfer heat more quickly. However, aluminum has a lower specific heat capacity, meaning it requires less energy to raise its temperature compared to steel.
In terms of conducting heat, steel is generally considered to be better than aluminum. This is because steel has a higher thermal conductivity and can transfer heat more quickly. However, this also means that steel can get hotter faster, whereas aluminum has a lower specific heat capacity and can therefore absorb more heat before reaching a higher temperature.
Several factors can affect how well steel and aluminum can handle heat. These include their thermal conductivity, specific heat capacity, melting point, and the environment that they are in. For example, steel may not be the best choice for high-temperature applications as it can start to lose its strength and shape at higher temperatures.
When it comes to heat dissipation, aluminum is generally considered to be better than steel. This is because aluminum has a lower specific heat capacity and can absorb more heat before reaching a higher temperature. Additionally, aluminum is often used in heat sinks due to its ability to transfer heat away from a source quickly and efficiently.
Both steel and aluminum have various applications when it comes to heat. Steel is commonly used in industries such as construction, automotive, and manufacturing, where high strength and durability are required. Aluminum, on the other hand, is often used in industries such as electronics, aerospace, and transportation, where light weight and heat dissipation are important factors.