because when you put ice in water nothing happens but wen you put it on something hot it will melt and cool things down
A piece of ice is more effective in cooling a drink because it has a higher specific heat capacity than cold water, meaning it can absorb more heat while melting without significantly increasing in temperature. As the ice melts, it draws heat from the drink, cooling it more efficiently than cold water, which has already reached a stable lower temperature.
There are different opinions concerning this topic because their effects are somewhat different. But majority agree that tepid water is more effective than cold water. You can read their effects in detail here: http://scienceray.com/biology/ecology/drinking-cold-water-or-warm-water-which-one-is-more-effective/
cold ocean water is more dense than warm water
Using washing-up liquid with hot water is more effective in removing grease and grime compared to using cold water, as the heat helps to break down the dirt more easily. Hot water also helps to rinse away the soap and dirt more efficiently. However, using washing-up liquid with cold water can still clean dishes effectively, especially if the dishes are not heavily soiled.
steam causes severe burns because of change of state i.e. liquid to gas with effects our skin. where as boiling water is only liquid which is hot but it does not effect the skin more than water.Thus higher the temperature of steam as compared to water. cause more severe burns than boiling water
One of the main benefits of drinking cold water is that it burns calories. When you drink cold water, your warm body cools off and needs to burn more calories to heat back up again. Therefore, drinking cold water helps burn more calories than drinking room temperature or warm water.
warm water because it kill the bacterias.
Water is produced when the fuel burns in the engine. The carbon in the fuel burns with oxygen to form carbon dioxide, while hydrogen in the fuel burns with more oxygen to form water. You only see it dripping out when the exhaust pipe is cold, because after it's warmed up the water comes out as steam and is invisible.
Drinking water does burn calories and drinking an 8-ounce glass of cold water burns 9.25 calories more than drinking room temperature water.
It is more effective to bring cold air in for temperature regulation.
Hot water is more effective in separating marker pigment from filter paper as it helps to dissolve and lift the pigment more easily compared to cold water. However, it is important to consider the type of marker and paper used, as some markers may have pigments that are more soluble in cold water.
A piece of ice is more effective in cooling a drink because it has a higher specific heat capacity than cold water, meaning it can absorb more heat while melting without significantly increasing in temperature. As the ice melts, it draws heat from the drink, cooling it more efficiently than cold water, which has already reached a stable lower temperature.
Yes, a thermos flask can keep cold water cold for several hours due to its insulated design that helps to maintain the temperature of the liquid inside. It is more effective at keeping beverages hot, but it can also help to preserve the cold temperature of water for a decent amount of time.
There are different opinions concerning this topic because their effects are somewhat different. But majority agree that tepid water is more effective than cold water. You can read their effects in detail here: http://scienceray.com/biology/ecology/drinking-cold-water-or-warm-water-which-one-is-more-effective/
The collected crystals in a recrystallization process are washed with cold water to remove impurities and excess solvent without dissolving the desired crystals. Cold water helps to minimize the solubility of the crystals, allowing for a more effective purification process.
Both hot and cold water can help reduce weight, but not significantly. Your body uses energy to heat or cool the water. The cold water is supposed to be more effective, but don't expect either to work just by themselves.
Cold water can be effective in removing stains like blood or fresh food stains. It's important to act quickly and blot the stain rather than rub it, to prevent it from setting further. For tougher stains, using warm or hot water may be more effective in breaking down the stain.