answersLogoWhite

0

Hot water is less dense than cold water because the increased temperature causes the water molecules to expand and spread out. As a result, the same volume of hot water displaces a larger mass of surrounding water, creating a stronger upthrust force due to the greater difference in density.

User Avatar

AnswerBot

1y ago

What else can I help you with?

Continue Learning about Physics

Why does hot water produce less upthrust?

Hot water is less dense than cold water, which means it displaces less water and therefore produces less upthrust. The buoyant force of hot water is weaker compared to cold water because of its lower density.


Why tropical water produces less upthrust than water in winter in North Atlantic?

Tropical water typically has a higher temperature and lower salinity compared to water in the North Atlantic during winter. The higher temperature of tropical water decreases its density, resulting in less upthrust compared to the denser, colder water in the North Atlantic. Additionally, the lower salinity in tropical water further reduces its density, contributing to the decreased upthrust experienced in these regions.


What has a higher density cold or hot water?

Cold water has a higher density than hot water. As water cools, its molecules come closer together, increasing its density. Conversely, hot water molecules are more spread out, resulting in lower density.


How can the hot water be at a higher pressure than the cold mains in an unvented system?

In an unvented system, hot water can be at a higher pressure than the cold mains due to the presence of a pressure-reducing valve on the cold water supply. This valve controls the pressure of the cold water coming into the system, allowing the pressure of the hot water, which is heated and stored at a higher temperature, to be higher. Additionally, the expansion vessel in the system helps regulate pressure fluctuations by absorbing excess pressure from heating water.


Which has a higher entropy a hot water or a cold water?

Entropy is the measure of disorderness. Hot water --> more energy --> less stable --> more disorderness (than Cold water). Therefore, Entropy of Hot water is greater than that of Cold water.

Related Questions

Why warm water has less upthrust?

Warm water is less dense than cold water, so it provides less buoyant force or upthrust. The particles in warm water have higher kinetic energy, leading to increased spacing between molecules and lower density. Consequently, warm water exerts less force against an object placed in it compared to cold water.


Why does hot water produce less upthrust?

Hot water is less dense than cold water, which means it displaces less water and therefore produces less upthrust. The buoyant force of hot water is weaker compared to cold water because of its lower density.


Why does tropical freshwater produce more upthrust that water in winter in the north Atlantic?

tropical fresh water produces less upthrust in winter than the North Atlantic because tropical water is warmer than the cold water of the North Atlantic. I need one more reason though: for homework tropical fresh water produces less upthrust in winter than the North Atlantic because tropical water is warmer than the cold water of the North Atlantic. I need one more reason though: for homework


Why tropical water produces less upthrust than water in winter in North Atlantic?

Tropical water typically has a higher temperature and lower salinity compared to water in the North Atlantic during winter. The higher temperature of tropical water decreases its density, resulting in less upthrust compared to the denser, colder water in the North Atlantic. Additionally, the lower salinity in tropical water further reduces its density, contributing to the decreased upthrust experienced in these regions.


Warm and cold water?

Warm water is little bit hotter than cold water. The temperature of warm water is higher than that of cold water


What has a higher rate of evaporation hot water or cold water?

A higher rate of evaporation has hot water.


Will ships float lower or higher in tropical water?

Ships will float higher in tropical waters because as the density of a fluid decreases with a rise in temperature, so does the buoyant force that the fluid exerts on an immersed object. The buoyant force decreases because the displaced fluid weighs less at a higher temperature.


Is pure ammonia soluble in hot or cold water?

Ammonia is soluble in both hot and cold water, with a higher solubility in cold water.


What has a higher density cold or hot water?

Cold water has a higher density than hot water. As water cools, its molecules come closer together, increasing its density. Conversely, hot water molecules are more spread out, resulting in lower density.


Why does cold water have less volume than cold water?

Cold water has a higher density than warm water, which causes it to have less volume for the same mass. This is because the molecules are closer together in cold water, making it more compact.


What force makes cold water sink toward the ocean floor?

gravity


Why does sugar dissolve in cold water?

hot water because sugar has the abilty to melt due to higher temperatures it will dissovle in cold water it just take longer