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Why ice at 273 k is more effective than cooling water at same temparature?
Ice at 273 K is more effective than cooling water at the same temperature because it requires more energy to melt ice into water than to simply raise the temperature of water. This process, known as the latent heat of fusion, absorbs a significant amount of heat from the surroundings, making ice a more efficient cooling agent. Additionally, ice can maintain a lower temperature than water due to its phase change properties, allowing it to cool substances more effectively.
What is the difference between cooling and chilling?
Chilling is the reduction in temperature of the required solvent below than its wet bulb temperature while the rest is considered as cooling i.e. if we are only reducing the temperature of solvent to an extent such that the final temperature is above its wet bulb temperature than it will be considered as COOLING.
How effective are window fans in cooling a room when it's hot outside?
Window fans can be effective in cooling a room when it's hot outside by bringing in cooler air from outside and exhausting warm air from inside. However, their effectiveness may vary depending on factors such as room size, outside temperature, and placement of the fan.
Is it cheaper to keep the house at a constant temperature?
Keeping the house at a constant temperature can be more cost-effective than constantly adjusting the thermostat. This is because the heating or cooling system doesn't have to work as hard to maintain a consistent temperature, leading to potential energy savings.
Is it easier to regulate the temperature of a house by heating it or cooling it?
Regulating the temperature of a house is generally easier by heating it rather than cooling it. Heating systems can more easily raise the temperature of a space, while cooling systems often have to work harder to lower the temperature.
What is the most popular method of cooling an overclocked computer?
The most effective one is to opt for liquid cooling system. They system itself will depend on your configuration and what your CPU cabinet can accommodate. Air cooling is a cheaper and less effective solution.
How effective are AC misting systems in cooling outdoor spaces during hot weather?
AC misting systems can be effective in cooling outdoor spaces during hot weather by lowering the temperature through the process of evaporative cooling.
What is the difference between solution and concentrared solution?
A solution is a solute dissolved in a solvent. A concentrated solution is all the solute that be dissolved in a solvent at normal temperature. A super-concentrated solution is all the solute that can be dissolved in a solution after mixing in the solute during high temperature / pressure. The concentration after cooling to normal temperature / pressure is greater than a regular concentrated solution.
How do you get community points in cateragories?
There are many ways to get community points in cateragories. By doing studies on cooling output, cooling command, damper output, discharge air temperature and effective cooling set point.
What is called the reappearance of excess dissolved substance from the solution on cooling?
Crystallysation,solution,filtrate,solvent
How would cooling down a solution change reaction time?
In general, cooling a solution slows the reaction. You can use the Arrhenius equation to figure out what effect a given temperature will have on a particular reaction (you'll need to know the activation energy).
What are the types of solution according to degree of saturation?
The types of solution based on degree of saturation are: Unsaturated solution: Contains less solute than it can dissolve at that temperature. Saturated solution: Contains the maximum amount of solute that can dissolve at a given temperature. Supersaturated solution: Contains more solute than it can normally hold at that temperature, usually achieved by cooling a saturated solution.
A KNO3 solution containing 45 g of KNO3 per 100g of water is cooled from 40 degrees celciuswhat will happen during cooling?
As the KNO3 solution cools, solubility of KNO3 decreases with temperature, leading to the formation of excess KNO3 crystals. These crystals will start to precipitate out of the solution as it cools. If the cooling continues, more crystals will form until the solution becomes saturated at a lower temperature.
What is the effect of cooling load on wet bulb approach of a cooling tower?
Cooling load in kw is increase the temperature of the water before enter the cooling tower, thus the differential heat energy level is high compare to surrounding temp., so it will transfer heat more to surrounding and leave the tower with low temperature, and it will become more like to approach the wet bulb temp., this happens if the variables such the water flow, and the air velocity is kept constant.
How do you form a supersaturated solution?
Most often, by preparing a saturated solution of a substance in a solvent in which the solubility of the substance increases with temperature, then lowering the temperature while taking care to avoid agitation of or the intrusion of solids into the solution.
Will cooling a solution of salt crystals and water slow down the dissolving rate?
Yes; the solubility of solids in liquids decrease when the temperature decrease.
How effective is a PC with a water cooler in maintaining optimal performance and temperature levels during intensive tasks?
A PC with a water cooler can be very effective in maintaining optimal performance and temperature levels during intensive tasks. Water cooling systems are more efficient at dissipating heat compared to air cooling, which can help prevent overheating and maintain consistent performance.
