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Why is a vessel containing liquid always heated from below rather than from the sides?
This is due to the type of heat transfer which takes place. In a liquid (or a fluid in general), heat is transferred by convection, in which the BOTTOM part of the liquid gets heated, becomes less dense, moves upwards and is replaced by cold and denser liquid from the top. This is why a liquid is heated from below.
By the way, water is a poor conductor of heat, which means that if heated at the top, no convection would take place and little conduction would take place meaning that the whole of the liquid would not become hot. Cold denser water would remain at the bottom and hot less dense water at the top.
What else can I help you with?
When a liquid is heated the temperature stops rising at the liquids what?
When a liquid is heated, its temperature will continue to rise until it reaches the boiling point of the liquid. Once it reaches this temperature, further heat added to the liquid will cause it to change into a gas rather than increase in temperature.
Is grass a state of matter?
Grass is a plant, it is therfore a solid containing a liquid when growing.
What does the thermoscope do?
A thermoscope is an instrument that measures temperature changes by observing the volume change of a liquid or gas due to temperature fluctuations. It does not provide precise temperature readings like a thermometer, but rather indicates changes in temperature. It operates based on the principle that most substances expand when heated and contract when cooled.
Will mercury show conduction or convection when heated?
Mercury, when in its liquid state, can transfer heat through both thermal conduction and convection. The expansion of mercury when heated is the basis for its use in thermometers. As with any material that expands when heated, it becomes less dense. As a liquid, a warm dense region is buoyant and will induce convection. In restricted geometries, convection is restricted and small, so this is not likely to happen much in a thermometer. Also, as a material that conducts electricity, it will be a good conductor of heat through the mechanism of thermal conduction which is enhanced by the electronic properties.
Why is that when a pure liquid is boiled its temperature remain constant?
The energy/heat being added to the liquid is used to convert the liquid into a gaseous state, rather than to heat the liquid (you get something similar when you melt ice). Once a gas, the temperature of the substance will start rising further if heat continues to be applied.
When a liquid is heated the temperature stops rising at the liquids what?
When a liquid is heated, its temperature will continue to rise until it reaches the boiling point of the liquid. Once it reaches this temperature, further heat added to the liquid will cause it to change into a gas rather than increase in temperature.
Why when the liquid is heated does the temperature not always increase?
If the liquid is heated to its boiling point, at which point it undergoes a physical change called vaporization, its temperature will not increase until the physical change is complete. This is due to the heat energy being used to break intermolecular bonds, such as hydrogen bonds, so that the physical change can take place.
Is the filtrate always a pure liquid in filteration?
No, the filtrate may contain dissolved solutes from the liquid being filtered, depending on the filtration method used. It is not always pure, especially if it is a solution rather than a pure liquid.
What happen to the temperature when ice is heated?
During a phase change (from solid to liquid, as in melting and also from liquid to gas as in boiling) the temperature remains constant, as all of the energy is going to affecting the change, rather than raising the temperature. Once it has changed from solid to liquid, the liquid can then raise in temperature.
What is sublimation and give an example?
Sublimation is when a solid goes to a gas when heated rather than going to a liquid first. At normal pressure solid carbon dioxide and iodine go directly to vapor without going to a liquid first.
Which container of water will be heated faster the one with more water or the one with lesser water?
=the one with less water because there is a less amount of liquid to heat up, so it would be heated up the quickest rather than the cup with more water.=
Why will diamond vaporize when heated in a microwave?
Diamond vaporizes when heated in a microwave due to the high temperatures reached inside the microwave oven, which can break the strong bonds between carbon atoms in the diamond structure. This results in the diamond turning into gas or vapor rather than melting into a liquid state.
Why egg liquid does not become steam?
When you are frying an egg, there will be some steam given off by the egg as it fries; there is also lots of protein mixed into the egg liquid which is solidifying as it fries, because of chemical changes that it undergoes when heated, unlike water which just boils.
If ammonium chloride and sand under goes sublimationwhich solid sublimes?
Ammonium chloride sublimes when heated, transitioning from a solid directly to a gas without passing through a liquid phase. Sand does not undergo sublimation as it does not turn into a gas when heated, but rather melts at high temperatures.
Why do CDMA phones get heated up while talking?
Calculations!!! CDMA Does lot more calculations than CDMA and Chip gets heated. its GSM rather
Is there evidence of a chemical reaction when bubbles form on heated water?
Bubbles forming on heated water are usually due to the process of water vaporization rather than a chemical reaction. When water is heated, the molecules gain energy and move faster, eventually reaching a point where they break free from the liquid surface and form bubbles of water vapor. This phase change is a physical process, not a chemical reaction.
How many percent of people use powder detergent rather than liquid?
Approximately 70% of people use powder detergent rather than liquid detergent.
