Student essays on density


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Our customer support agent will call you back in 15 minutes. Our customer support agent will call you back within 15 minutes. Sign up to our newsletter to receive a promo code. Receive discount. If the solid is less dense than the liquid then it floats on the liquids surface. If the solid is more dense than the liquid then it sinks in the liquids. The third and final fundamental phase of matter is gas. Gases are the least orderly of the three phases of matter.


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Gases take the shape of their container because of the very weak bond between their atoms. Gases are also very low in density. The average gas is times less than that of the average liquid. The volume of gas varies with many things including temperature and pressure. Another theory is the kinetic molecular theory.

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The kinetic molecular theory states that any substance composed of particles is in constant motion. This is especially true with gases.

Gases have been studied since antiquity but were only understood in the 19th century. These are the three fundamental phases of matter. Every substance on earth is one of these three phases. Some examples of solids are glass, plastic, and wood.

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Some examples of liquids are water, soft drinks, and acid. Some examples of gases are oxygen, nitrogen, and helium. The objective of the study is to explain, measure and better understand the specific heat of copper and lead using the method of mixtures.

Heat is a form of energy it is either expressed in joules, calories, or kilo-calories According to the law formulated by the French chemists Pierre Louis Dulong and Alexis Thrse Petit, the specific heat of solids which is characterized as the amount of heat required to raise the temperature of one gram of a substance to one degree Celsius specimens are inversely proportional to their atomic weights; that is, the specific heat multiplied by the atomic weight The properties observed for matter on the macroscopic level are determined by the properties of the constituent molecules and the interactions between them.

The polar or non-polar character of a molecule will clearly be important in determining the nature of its interactions with other molecules. There will be relatively strong forces of attraction acting between molecules with large dipole moments. To a first approximation, the energy of interaction between dipolar molecules can be considered as completely electrostatic in origin, the negative end of one molecule attracting the positive end of another.

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The presence of intermolecular forces accounts for the existence of The pressure applied on one part of container with fluid is transmitted equally in all directions. V' Pressure on one side is equal to the pressure on the other side of hydraulic press and lift Pascal Law: "The pressure exerted anywhere in a mass of confined liquid is transmitted undiminished in all directions throughout the liquid.

The large piston in a hydraulic lift has an area of com.

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What force must be applied to the small piston with an area of 25 com in order to raise a car of Ships do not sink because of displacement; the ship moves more water than the ship actually weighs. Archimedes Principle: Any object wholly or partly immersed in a fluid is buoyed up by a force equal to the weight of the fluid displaced by the object. Density is mass of a unit volume of a material substance, expressed as kilograms per cubic meter in MKS or SI units. Density offers a convenient means of obtaining the mass of a body from its volume or vice versa; the mass is equal to the volume multiplied by the density, while the volume is equal to Electrolytes are liquids that conduct electricity.

Mostneed to be dissolved into water or another solvent. Liquid electrolytes are used in electrolysis,electroplating, and other chemical processes. When electrolytes dissolve they release positive andnegative ions. The released ions carry electric chargesbetween electrodes, in the solution. Cations a positivelycharged ion that migrates to the cathode, a negativeelectrode carry positive electric charges toward thecathode.

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Anions carry negative electric charges toward theStrong electrolytes release many ions and conductelectricity well. Nonelectrolytes, like sugar, OxygenOxygen Atomic number8Atomic weight Oxygen is one of the must important factors that made it possible for life to exist in this planet.

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Oxygen is also one of the elements must found in earth. Oxygen can be found in in metals, water, and even the one thin that protects us from the powerful sunrays. Oxygen is a very unstable element, which makes it easy to make compounds with other elements creating different kinds of solids and liquids.

Oxygen is found in the air as O2, and found TermDefinition atmosphere the blanket of gas on the surface of Earth condensation the opposite of evaporation. Occurs when a gas is changed into a liquid evaporation the process where a liquid, in this case water, changes from its liquid state to a gaseous state deposition water vapor changes into ice without going through the liquid phase evaportanspiration the process of transferring moisture from the Earth to the atmosphere by evaporation of water and transpiration from plants inflitration process where rain water soaks into the ground through the soil and underlying rock layers percolation movement of water through the soil and The molecules all move in the same direction.

Diffusion however is the random movement of molecules which usually results in a fairly even distribution. In other words the movement is not guaranteed to move in one direction but the probability that it will move in the lower gradient is greater. Osmosis is similar to diffusion but is differentiated by the membrane's behavior. The cell membrane does allow water to move from higher to lower concentrations but does not allow solutes do that.

Coalition Chemistry 1. Themolecules all move in the same direction. Diffusion however is the randommovement of molecules which usually results in a fairly even distribution. Inother words the movement is not guaranteed to move in one direction but theprobability that it will move in the lower gradient is greater. Osmosis issimilar to diffusion but is differentiated by the membrane's behavior.

student essays on density Student essays on density
student essays on density Student essays on density
student essays on density Student essays on density
student essays on density Student essays on density
student essays on density Student essays on density

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