what expands when it is heated
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Books & Resources Maybe you’re asking why it makes a difference whether the explanation of an event is correct or not. After all, the result is the same. Heated air does expand (usually) and hot air does rise (no matter what the cause). Well, it doesn’t make a difference—unless you want scientific concepts to make sense.
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List of problems solved by MacGyver (In a hot air balloon, the air that is heated is not in a rigid container, b … ut in a balloon that expands with the expanding gas; the pressure it is under is only the atmospheric pressure.) The expanded gas will then have a lower density and will therefore be bouyant in air, and therefore able to lift a balloon.
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Does water expand when frozen? Why does water expand when its frozen? Molecular Geometry and Polarity Water expands when it freezes due to molecular geometry and the fact that it is a very polar molecule. The water molecule is shaped like an up…side-down v.
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- The high-energy ions then transfer part of their energy to the plasma particles in repeated collisions, thus increasing the plasma temperature. 3: Magnetic Compression A gas can be heated by sudden compression.
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Does Water Expand or Contract When Heated? Quick Answer. Water contracts when it is heated from freezing point to 7 degrees above and begins to expand as it heats up further. Water expands when it freezes, as well as when it heats up, except for the 7 degrees above freezing where it contracts. Keep Learning.
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So, What Is An Expansion Tank, And Do I Really Need One? When water is heated it expands. For example, water heated from 90°F to a thermostat setting of 140°F in a 40 gallon hot water heater will expand by almost one-half gallon. This is because when water is heated, its density decreases and its volume expands (see below).
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- In a few cases, heat actually makes some things contract rather than expand. The best example is water. When ice is heated from 0 to 4 degrees C, it actually contracts. The water molecules get closer together and the water occupies less volume. However, above 4 degrees C water expands as it is heated like most other liquids. In general though, heat makes solids, liquids, and gasses expand.
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Magmas, Igneous Rocks, Volcanoes and Plutons Expansion of gas bubbles is resisted by high viscosity of magma - results in building of pressure. 1  High pressure in gas bubbles causes the bubbles to burst when reaching the low pressure at the Earth's surface. 2  Bursting of bubbles fragments the magma into pyroclasts and tephra (ash).
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- as the flames heat the gases in the balloon the volume of the gases increases at constant pressure the volume of all gases increases with increasing temperatures is this statement a scientific...
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Besides water, what is a substance the expands when frozen? Bismuth and antimony also expand when they freeze, as do some alloys that contain those metals. This is why bismuth and antimony are used in type-metal, which can be molded with great accuracy: The metal does not shrink as it solidifies, so it does not pull away from the corners and edges of the mold.
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When temperature increases volume increases? Making the world better, one answer at a time. When temperature increases, the volume increases. Firstly, we have to know that volume is refering to the space that matter occupies. When temperature increases, the molecules move vigorously because it receives energy from the heat. There will be more collisions among the molecules that causes the molecules to move to more areas in a medium.
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- WHEN WATER IS HEATED... It expands! Reacting to physical. law, water expands in volume as. its temperature rises. In a 40-gallon water heater, for. example, water being heated to. recover after water usage, will. end up expanding to about. 40.53 gallons when desired.
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Magma Except for the liquid outer core, most of the Earth takes the form of a rheid, a form of solid that can move or deform under pressure. Magma, as liquid, preferentially forms in high temperature, low pressure environments within several kilometers of the Earth's surface.agma also contains gases, which expand as the magma rises. Magma that is high in silica resists flowing, so expanding gases are trapped in it. Pressure builds up until the gases blast out in a violent, dangerous explosion.
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Books & Resources Answer 1: Hot air rises because when you heat air (or any other gas for that matter), it expands. When the air expands, it becomes less dense than the air around it. The less dense hot air then floats in the more dense cold air much like wood floats on water because wood is less dense than water. This floating effect in a less dense medium is called a buoyant force or a displacement force.
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- When heat is added to something it causes the atoms to interact together faster, such as vibrating faster. This causes the space between the atoms to increase which in turn ca … sues the substance to expand and takes up more space.
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- Best Answer: when air is compressed, either rapidly or slowly, work is done on the air by some outside force, this increases the internal energy of the gas which causes its molecules to move more rapidly and this translates into a higher temperature.
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- The movements of the diaphragm and rib cage increase the volume of the thoracic cavity. c. Inside the thoracic cavity are the pleural cavities. Inside the pleural cavity are the lungs. As the thoracic cavity expands the pleural cavity and lungs also expland. Expansion. of the lungs causes the pressure in the lung to decrease . d. This decrease in pressure means that the air pressure in the lungs is lower.
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Thermal expansion Expansion joint in a road bridge used to avoid damage from thermal expansion. Thermal expansion is the tendency of matter to change in shape, area, and/or volume in response to a change in temperature, through heat transfer. Temperature is a monotonic function of the average molecular kinetic energy of a substance. When a substance is heated, the kinetic energy of its molecules increases.
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What's so special about thermal conductivity of water? *Water is one of the few substances that are less dense as a solid than as a liquid. While most substances contract when they solidify, water expands. This property is due to the hydrogen bonding. When water is above 4 °C it behaves like other liquids; it expands as it warms and contracts when it cools.
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- Answers. Best Answer: when air is compressed, either rapidly or slowly, work is done on the air by some outside force, this increases the internal energy of the gas which causes its molecules to move more rapidly and this translates into a higher temperature. Source(s): kuiperbelt2003 · 6 years ago.
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- Objects contract or expand depending on the temperature. Cold makes things contract, heat makes things expand. However, there are some exceptions. For example, water expands w … hen it turns to ice.This is due to the process of crystallization.The reason that objects expand and contract is found at the atomic level.When an object is warm, its molecules move faster and spread out, making that object expand.or example, water expands w … hen it turns to ice. This is due to the process of crystallization. The reason that objects expand and contract is found at the atomic level. When an object is warm, its molecules move faster and spread out, making that object expand.
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Charles's law An animation demonstrating the relationship between volume and temperature. Charles's law (also known as the law of volumes) is an experimental gas law which describes how gases tend to expand when heated. A modern statement of Charles's law is.
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Water expands when it freezes The water expands as it freezes which breaks the bottle. This is useful when teaching about the weathering of rocks and freeze-thaw. In this demonstration a bottle is filled with water and allowed to freeze. The water expands as it freezes which breaks the bottle. This is useful when teaching about the weathering of rocks and freeze-thaw. In this demonstration a bottle is filled with water and allowed to freeze.
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Magma and Lava 1 Magma has a lot of gas bubbles inside it that want to expand and also rise causing pressure. 2  When that pressure gets high enough the gas bubbles start rising and expanding taking the magma with it. 3  When the gas pressure gets even higher it starts making a chain reaction that constantly makes the gas pressure rise.
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What Happens to Air When It Is Heated? Quick Answer. When air is heated it either increases in volume, increases in pressure or both, depending on the conditions. Air is composed of several different gases, most notably nitrogen, oxygen and carbon dioxide, but the particular gas involved does not matter.
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- Its upward dome-shape flattens, moving downward and expanding the thoracic cavity, during inspiration. The rib muscles simultaneously contract and pull the rib cage up and outward, further expanding the thoracic cavity. The increased volume of the thoracic cavity causes air to rush into the lungs.