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What kind of cup can retain the most heat?
foam cup of course
How is heat transferred when a cup of hot coffee is placed in a freezer?
Heat can beradiated,conducted or travel byconvection or a combination of these three.The base of the cup would conduct the heat to the surface it is sitting on and the body of the cup would radiate the heat and the air in the freezer would transfer the heat by convection currents.
Why does a polastyreane cup feel warm?
A polystyrene cup feels warm because it is a poor conductor of heat. This means that heat is not transferred easily from the outside of the cup to the inside and the cup is unable to dissipate the heat quickly. Instead the heat generated by the liquid inside the cup is trapped making the cup feel warm to the touch.The material of a polystyrene cup is designed to insulate meaning it does not easily transfer heat. This means that heat generated by the liquid inside the cup is retained causing the cup to feel warm to the touch. Other materials such as metal or ceramic are much better conductors of heat and are better able to dissipate heat quickly.The following characteristics of polystyrene make it a poor conductor of heat:Low thermal conductivityHigh resistance to heat transferLow thermal diffusivityWhen a polystyrene cup is filled with a hot liquid the heat of the liquid is not easily transferred out of the cup making it feel warm to the touch. This is why polystyrene cups are often used for hot beverages.
Is a foam cup A good conductor of heat?
It is a good insulator of heat :)
Does a polystyrene cup hold more heat than a plastic cup?
Polystyrene
The rate of heat loss from the hot cup change during the experiment answer?
The rate of heat loss from the hot cup decreased during the experiment.
What methods would you use to reduce heat loss from a cup of tea?
using different cups to reduce heat loss
What can you do to keep heat inside for paper cup?
One simple method is to place the paper cup inside a second paper cup. The air gap between the cups provides a fair amount of insulation and slows heat loss.
What can you add to a paper cup to keep hot drinks hot for longer?
The thermal conductivity decreases when a paper cup (or another paper cup) is added. Intuitively, the heat has to pass through more layers. This is Fourier's Law of Heat Conduction - lower thermal conductivity means less heat loss.
Why is an experiment performed in a polystyrene cup and not in a glass beaker?
The polystyrene cup is a better insulator than metal, metal is a good conductor of heat and so would transfer the heat from the reaction to the air outside it, where polystyrene keeps the heat inside. This enables you to get a much more accurate reading, as less heat has escaped.
How long does it take a cup of boiling water in a pan to evaporate on the stove?
There are too many variables involved. What is the rate of heat being applied to the pan? How efficient is the heat transfer to the water? How big is the cup, an actual cooking measurement of a cup of one of those massive cups for coffee?
Would a small styrofoam cup keep heat in better then a larger cup?
The answer depends on how you define "keeps heat in better". A larger cup with the same contents at the same temperature will loose more heat than a smaller cup because it has more surface area than the smaller cup and the heat transfer would be proportional to surface area. On the other hand, the relative heat loss compared to the total energy of the cup contents would be less in the large cup than the small cup because while the surface area increases with the square of the dimensions, the volume, and hence mass would increase with the cube of the dimensions; if you double the height and diameter of a cylinder, you get 4 times the surface area but 8 times the volume. Even if you got 4 times the rate of heat loss, you would be taking it from 8 times the amount of material, so proportionally, each gram of material in the large cup would be losing heat only half as fast as the material in the small cup - its just that there are more total grams in the large cup.
Which cup can hold heat better a plastic cup a coffee cup or a glass cup?
A glass cup will conduct heat away quickly - a plastic cup would hold heat the best.
How much does Styrofoam cost?
200,000 joules of heat are needed to produce a single styrofoam cup. In order to simulate the waste of a styrofoam cup, its ceramic counterpart would have to be used 70 times or washed over a thousand times to offset the loss of heat in one styrofoam cup.
Will a metal cup or a styrofoam cup keep the hot water warm after a short time?
It is the Styrofoam cup as it is not a good conductor of heat but the metal cup is a good conductor of heat.
What would happened if you used glass beaker for a calorimeter instead of sytrofoam cup?
Because the glass beaker is a poor insulator, heat would be lost more rapidly. This rapid heat loss would distort the readings given.
If ice melts in cup of water what produces in the cup?
Heat
