what happens to the density when the volume increases
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- When the volume is increased while the mass remains, the density increases. One way to increase volume is by reducing the temperature of objects especially gases. This is how … air conditioning and fridges work, cooling the air which will move down as denser objects sink.
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- Luckily, the change in the density of a gas is as predictable as the change in its volume. If, for example, you take a flexible container to 2 atm. (33 feet/10 meters) the volume will decrease by 1/2 but the density will double.
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- p is the increase in pressure, V is the reduction in volume and V is the original volume. DENSITY Density relates the mass and volume such that = m/V kg/ m3 PRESSURE Pressure is the result of compacting the molecules of a fluid into a smaller space than it would otherwise occupy. Pressure is the force per unit area acting on a surface.
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Density of Ocean Water So, the colder the water, the more dense it is. Increasing salinity also increases the density of sea water. Less dense water floats on top of more dense water. Given two layers of water with the same salinity, the warmer water will float on top of the colder water.
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- Lift and drag depend linearly on the density of the fluid. Halving the density halves the lift, halving the density halves the drag. The fluid density depends on the type of fluid and the depth of the fluid. In the atmosphere, air density decreases as altitude increases. This explains why airplanes have a flight ceiling, an altitude above which it cannot fly. As an airplane ascends, a point is eventually reached where there just isn't enough air mass to generate enough lift to overcome the airplane's weight.
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- Assuming mass does not also increase, then density decreases if volume increases. For example, let's say Mass= 100 and Volume= 50 Density would = 2 Now, lets increase the volume. Mass would still = 100, and let's increase the volume to 75. Density would then equal 1.333... 2 is greater than 1.333.... so yes, density decreases as volume increases.
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- Density (d) depends upon the mass (m) and volume(v) of a substance. The mass depends upon the amount of matter in a substance, whereas volume is the amount of space that a substance takes up. Mathematically, density is equal to a ratio where d = m/v. Although mass and volume are extensive properties (depend upon how much matter is present), density is considered to be an intensive property (does not depend upon how much... Density (d) depends upon the mass (m) and volume (v) of a substance. The mass depends upon the amount of matter in a substance, whereas volume is the amount of space that a substance takes up. Mathematically, density is equal to a ratio where d = m/v. Although mass and volume are extensive properties (depend upon how much matter is present), density is considered to be an intensive property (does not depend upon how much matter is present).
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- The increase in volume (expansion) lowers the density of the warm water at the bottom, feeling less pressure from gravity, the warm water moves up and the cooler, denser water moves down to replace it. With convection, the particles in the material move, carrying thermal energy with them.
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When volume increases does density increase or decrease? Assuming mass does not also increase, then density decreases if volume increases. For example, let's say Mass= 100 and Volume= 50 Density would = 2 Now, lets increase the volu…me. Mass would still = 100, and let's increase the volume to 75. Density would then equal 1.333... 2 is greater than 1.333....
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- As temperature decreases, the density of air will increase. There is an inverse relationship between temperature and density.
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Charles Law As the temperature of the gas increases, the gas molecules will begin to move around more quickly and hit the walls of their container with more force—thus the volume will increase. Keep in mind that you must use only the Kelvin temperature scale when working with temperature in all gas law formulas! Change in Volume When Temperature Increases. Change in Volume When the Temperature Decreases (Watch the barrel first) NOTE** Charles Law problems must have the PRESSURE CONSTANT.
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chapter 3 science raising the temperature of a gas will increase its pressure of an enclosed gas. an the number of particles are constant. the temperature and volume in a closed container of gas remain constant. if the number of particles of a gas is increased, the gas pressure will.
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Hot Water Thermal Expansion Rate Hot Water Pressure Increase in Hot Water Tanks or Boilers Increasing water pressure does not have much effect on the water volume nor water density. For example, the density of water at 3.98 °C (it's most dense temperature) is 1000 kg/m3. The density of water at 100 °C is 958.4 kg/m3 and the density of water at 030 °C is 983.854 kg/m3. - Wikipedia and other sources.
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- Any increase in the frequency of collisions with the walls must lead to an increase in the pressure of the gas. Thus, the pressure of a gas becomes larger as the volume of the gas becomes smaller. Charles' Law (V T). The average kinetic energy of the particles in a gas is proportional to the temperature of the gas. Because the mass of these particles is constant, the particles must move faster as the gas becomes warmer.
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- When the temperature of a gas is increased at a constant pressure, its volume increases. When the temperature of a gas is devreased at constnt pressure, its volume decr … eases. + 20 others found this useful.
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3 Factors That Affect Density Altitude 1 When the pressure is greater than standard, you have more air molecules in the volume than you would on an standard day, and. 2  When the pressure is less than standard, you have less air molecules in the volume than you would on a standard day.
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- 698. if the amount of collisions increases with pressure increase, this means that the amount of EFFECTIVE collisions also increase, and also the rate at which the molecules move is also increased. This is the cause of temperature, an increase in speed of vibration. This is why temperature increases.
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Density: Sink and Float for Solids The mass of the steel is the same but the big increase in volume makes the density of the bowl less than the density of water so the bowl floats. This is the same reason why a steel ship is able to float. The material is shaped in such a way so that the density of the ship is less than the density of water.
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- exists and is an alternate of . An increase in salinity causes a increase in density and conversely, a decrease in salinity causes a decrease in density. The effect is quite linear, though it has a temperature dependence that affects how much the density changes.
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- The particles in a gas have the most energy and are free to move around and so spread out rapidly. Gases do not have a definite shape or volume and expand to fill the entire container. Thus, as the temperature of matter increases, its density decreases (particles get farther apart).
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Why does liquid water volume increases if its density decreases? But what actually happens is that when volume increases, the same mass takes up the larger volume . The particles in the object gets scattered in larger volume and the concentration of the particles in unit volume decreases and hence concentration of particles in unit volume =density. So density decreases. Cheers!
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- The increase in the volume of matter with increasing temperature is called expansion. When cooled down, most matter decreases in volume and increases in density. This decrease in volume is called contraction. This horse thermometer has a digital readout.
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density A measure of the compactness of a substance. Density is equal to the amount of mass per unit of volume. In general, density increases as pressure increases and temperature decreases.
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- As the piston is pushed in, the gas in the cylinder is forced in to a smaller volume, and its pressure increases. If this is done slowly enough that no significant heating of the gas occurs, the relationship of pressure and volume will follow Boyle's Law.hat is, that as pressure increases, volume increases. This seems to contradict Boyle's Law. In simple words: If you increase the pressure in the balloon and let it expand, then the pressure in the balloon is not really increasing, as you are also letting the volume increase and thus overall your $k$ remains constant.
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- #4. Nenad. if the amount of collisions increases with pressure increase, this means that the amount of EFFECTIVE collisions also increase, and also the rate at which the molecules move is also increased. This is the cause of temperature, an increase in speed of vibration. This is why temperature increases.
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How Does Temperature Affect Density? As temperature increases, the density of liquids and gases decreases; as temperature decreases, the density increases. Density is the amount of mass per unit of volume.