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As water is cooled its density increases until it reaches about and deg C?
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Why temperature decreases at height?
Actually, as you go from the surface of the earth to space, temperature decreases until it reaches approximately 15 km( the tropopause). Then it increases until it reaches approximately 50 km ( stratosphere) . then it decreases again until the dheight is about 80 km ( mesosphere), then it increases again in the thermosphere up until 120 km above sea level.
What will happen if the density of an object placed in a liquid if the density of the liquid is greater than that of the object?
If the density of the liquid is greater than that of the object, the object will sink. This is because the liquid is denser and exerts a greater buoyant force on the object, causing it to sink until it reaches an equilibrium point where the buoyant force equals the gravitational force.
A bullet traveling upwards has what type of energy?
it has both potential and kinetic energies as when it is going upwards, the potential energy increases while the kinetic energy decreases until it reaches the top, and then the kinetic energy is zero and the potential energy is maximum.
Why then do some objects fall through the air at a different rate?
Air Resistance increases with velocity.So, as the velocity of a falling object increases, Air Resistance increases until it is equal to Gravity.
What happen to water when it cools?
- Water, in liquid form, decreases in density as it cools, until it reaches four degrees Celsius. At this point, as it begins to freeze in to ice, the molecules become hexagonal in structure and the density actually increases. This is why ice floats in water. - Water, in gas form, condenses when it becomes cooler. As the temperature decreases, the speed of the water molecules also slow down. When they're slower, they get attracted to each other more easily, and this attraction between the molecules is what turns the gas into liquid.
As water is cooled its density does what until it reaches about 4 C?
As water is cooled its density increases until it reaches about 4 C and then it decreases.
As water is cooled its density increases until its reaches about what?
Type your answer here... increases
As water is cooled its density increases until it reaches about?
Type your answer here... increases
What is As water is cooled its until it reaches about?
Type your answer here... increases
Why does all the water in a lake have to be cooled to 4 degrees Celsius before water can be cooled below 4 degrees Celsius?
Water in a lake is usually cooled by the cold air above its surface rather than from the ground underneath it. As the top layer of water cools its density increases and so it sinks to the bottom, bringing other water up to the surface. This water is then cooled. This carries on until the temperature reaches 4 deg C when the density reaches a maximum. Further cooling lowers the temperature of the top layer but now its density is less than that of the water below so the top layer stays on top until it freezes (if it is cold enough). That is how you can get lakes with a frozen surface but liquid water below which can sustain aquatic life and also destroy human or other life forms that fall through the ice!
What happens to the density of water when it gets cold?
Density increases until 4 degrees of celcius.Then decrease again.
Does the value of sin theta increases as theta increases?
As θ increases from 0 to π/2 (90o) sin θ increases until it reaches a maximum value of 1 when θ = π/2. As θ increases from π/2 (90o) to 3π/2 (270o) sin θ decreases until it reaches a minimum value of -1 when θ = 3π/2. As θ increases from 3π/2 (270o) to 3π (360o) sin θ increases until it reaches the value of 0 it had when θ = 0. From this point, as θ increases (by the same amounts) sin θ repeats this same cyclic behaviour.
Buoyant air will rise until it?
Buoyant air will rise until it reaches warmer air that is the same density as itself.
What happens to gas as it i cooled below 0 degrees C?
It continues to cool until it reaches it's boilng point. At which it will condense then cool further until it reaches it's melting point. It will then continue to cool until it's entropy is minized at absolute zero.
Does water contract or expand when it is cooled?
When liquid water is cooled, it contracts like one would expect until a temperature of approximately 4 degrees Celsius is reached. After that, it expands slightly until it reaches the freezing point, and then when it freezes it expands by approximately 9%
Why temperature decreases at height?
Actually, as you go from the surface of the earth to space, temperature decreases until it reaches approximately 15 km( the tropopause). Then it increases until it reaches approximately 50 km ( stratosphere) . then it decreases again until the dheight is about 80 km ( mesosphere), then it increases again in the thermosphere up until 120 km above sea level.
What happens When water at 0 degree centrigrade is heated?
It melts if has frozen, but far more interestingly, the volume of the water contracts until the temperature reaches 4 degrees C. That is the point of maximum density of water. Once past 4 C, the volume increases slowly (as the density declines) with more added heat.
