what energy makes the thermometer drop?
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- One way to measure the temperature of matter is. to place a thermometer in contact with it. Some of the. matter’s kinetic energy is transferred to the thermometer. if the matter is warmer than the thermometer. The. increased kinetic energy causes the particles of the. liquid in the thermometer to move farther away from. each other.
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- Photo 2. The ice bath test is the easiest way to test a thermometer for accuracy, assuming your thermometer will display temperatures of 32°F or less. The advantage of this method is that an accurate thermometer will always read 32°F in a properly made ice bath regardless of altitude or atmospheric pressure.
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What happens when an electron drops from a higher energy level to the n=2 level? Best Answer: For your first question, when an electron moves back inward toward the nucleus of an atom, it releases a photon, or as many would call, light. Electricity, or some other external stimulus can cause an atom to raise an energy level.
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Does a liquid release or absorb energy when it evaporates? where it solidifies? Thus, you extract the energy released by the water as it moves from the liquid to a lower energy state, a crystalline solid. A liquid releases energy when it solidifies. Source(s): Any thermal physics text.
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- From the tmperature rise and the specific heat of water, we obtain the number of joules of heat released into each gram of the solution, and q can then be calculated from the mass of the solution. Since the entire process is carried out at constant pressure, we have δ H ° = q.
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- In the case of most. cavity nesters, one egg is laid one each day until the entire clutch is complete. Incubation will then begin. For bluebirds, incubation typically lasts approximately 12–14 days. After hatching, the chicks will remain in the nest for about 17–21. days. Your monitoring should be limited to viewing from a distance after the 12–13th day, or the chicks might jump or fly. from the box prematurely.
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Ch 11 Intermolecular Forces and Liquids and Solids -As the temperature of a gas drops, the average kinetic energy of its molecules decreases. -Eventually, at a sufficiently low temperature, the molecules no longer have enough energy to break away from the attraction of the neighboring molecules. -At this point, the molecules aggregate to form small drops of liquid.
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- Kinetic energy is related to temperature and the mass and velocity of the molecules (K.E. = 1/2 mv2). When the temperature reaches the boiling point, the average kinetic energy of the liquid particles is sufficient to overcome the forces of attraction that hold molecules in the liquid state.
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3rd Grade Science Heat The liquid in the thermometer expands and rises when the material around it gets warmer or the liquid contracts and falls when the temperature gets colder. any material through which heat moves easily.
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User Contributed Dictionary The thermometer is a device that measures temperature or temperature gradient using a variety of different principles. The word thermometer is derived from two smaller word fragments: thermo from the Greek for heat and meter also from Greek, meaning to measure.
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Calorimeters and Calorimetry Q calorimeter = (100.0 g)•(4.18 J/g/°C)•(31.7°C - 19.5°C). Q calorimeter = 5099.6 J. The assumption is that this energy gained by the water is equal to the quantity of energy released by the sodium hydroxide when dissolving.
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What Is a Hygrometer and How Does It Work? This type of hygrometer uses two basic mercury thermometers, one with a wet bulb one with a dry bulb. Evaporation from the water on the wet bulb causes its temperature reading to drop, causing it to show a lower temperature than the dry bulb. Humidity is important for our comfort and our health.
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- Why are mercury thermometers a concern? When a mercury thermometer breaks, the mercury begins to vaporize, even at room temperature. Mercury is a potent toxin to the nervous system and exposure can affect the brain, spinal cord, kidneys and liver.
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How to Mix Oil & Gas Guide Using the right type of fuel is critical in the safe and efficient operation of your STIHL equipment. All STIHL gasoline-powered equipment runs on a 50:1 mixture of gasoline and 2-cycle engine oil. Knowing the proper way to mix your fuel is the first step in keeping it running strong and long. Before mixing, read your product instruction manual for additional information on fueling and fuel mixtures.
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- As the car speeds up going away from a stationary spectator, the sound wave detected by the spectator. 33 An electron in a mercury atom drops from energy level f to energy level c by emitting a photon having an energy of. 34 If an object has a net negative charge of 4.0 coulombs, the object possesses.
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Current produced by thermocouples Current produced by thermocouples. My understanding is that the thermocouple voltage is strictly a function of the temperature. Apparently this is called the Seebeck Voltage. Like any voltage source there is an internal resistance associated with it due to real world effects.
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- Measuring Temperature with a Thermistor Thermometer. A thermometer is any device used to measure temperature, consisting of a temperature sensor and some type of calibrated scale or readout device. Liquid-in-glass thermometers and thermistor thermometers are most commonly used to measure air and water temperature.
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- When an electron in an atom falls from a higher energy level to a lower energy level, it emits a photon to carry off the extra energy. This photon's energy is equal to the energy difference between the two energy levels (\(\Delta E\)).
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Energy Measurement of Energy. Temperature and Heat. Heat is the result of the movement of matter. Temperature is the measure of this movement of matter. You can tell the difference between temperature in the winter and summer. Winter is cold and summer is hot. You test the temperature of hot soup by blowing on it and then taking quick tastes.
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- What happens to the motion of an object's particles as the object's thermal energy increases? Temperature is a measure of the kinetic energy of the atoms within  an object. As temperature, or thermal energy increases the atoms  become excited and move faster.
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Phase Change and Latent Heat Using the equation for a change in temperature and the value for water (334 kJ/kg), we find that Q=mLf=(1.0kg)(334kJ/kg)=334kJ is the energy to melt a kilogram of ice. This is a lot of energy as it represents the same amount of energy needed to raise the temperature of 1 kg of liquid water from 0ºC to 79.8ºC.
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- The thermocouple is an electric circuit made by joining wires of two different metals together forming a high-temperature thermometer that is able to determine temperature based on voltage (thermoelectric power) by utilizing the phenomenon of voltage being produced when there is a difference in the temperature of the joint and the base.
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Chemistry A 50.0 g sample of liquid water at 0.0˚C ends up as ice at - 20.0 ˚C. E = m•Hf = 50.0g • 334 J/g = 16700 J leave from freezing. E = m•∆t•Hc = 50.0g •20ºC •2.10 J/gºC = 2100 J leave from cooling the ice. 16700 J + 2100 J = 18800 J total energy leaves.
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Wet Bulb for dummies? When the air is saturated no water will evaporate from the cloth wick and the temperature of the wet-bulb thermometer will be the same as the reading on the dry-bulb thermometer. However, if the air is not saturated water will evaporate from the wick causing the temperature reading to be lower. The accuracy of the wet-bulb temperature depends on how fast air passes over the bulb. Speeds up to 5,000 ft/min (60 mph) are best but dangerous to move a thermometer at that speed. Errors up to 15% can occur if the air movement is too slow or if there is too much radiant heat present (sunlight, for example).
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- This is why we have humidity. A cold cup can take thermal energy out of the water vapor in the air next to the cup, causing the water vapor to condense into liquid water. The same kind of phenomena occurs when you take ice cream out of the freezer - you see frost on the outside of the container.
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- Nodules are most frequently caused by vocal abuse or misuse. Polyps may be caused by long-term vocal abuse but may also occur after a single, traumatic event to the vocal cords, such as yelling at a concert. Long-term cigarette smoking, hypothyroidism, and GERD may also cause polyp formation.