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What give molecules the energy that causes them to vibrate faster?
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∙ 12y ago
Heat energy is the stimulation of molecular motion. Anything that adds energy to a substance can increase its temperature, eventually causing molecular decomposition or a change in the phase of its elements (solid to liquid, liquid to gas, gas to plasma).
Americo Powlowski
Wiki User
∙ 14y agoHeat is the usual source of the vibrational energy in molecules, but such vibrations can also be induced by exposure of the molecules to electromagnetic radiation of a suitable energetic quantum value.
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∙ 13y agoheat
newtest3
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∙ 13y agoHeat!
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∙ 14y agoheat
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∙ 10y agoHEATING
Anonymous
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What best describes the motion of molecules?
um .... its the kinetic energy which helps to move the molecules when the thing is hot then the kinetic energy helps the molecules move faster and when things are some what cold then the kinetic energy moves slower . the thing may be food or etc ...... .
Does Increased temperature causes a molecule to vibrate?
Yes. The molecule vibrate about its equilibrium position. If the thermal energy is high enough the molecule can break free from intermolecular bonds leading to changes i physical phase (solid-->liquid-->gas)
On what principle do most thermometers work A when liquid absorbs heat it loses kinetic energy B as the temperature rises the molecules in liquid move more slowly C kinetic energy causes temperatur?
On what principle do most thermometers work? As the temperature of the liquid in the thermometer gets hotter, the molecules move faster. As the molecules move faster, they produce greater pressure. The only free surface is the top. This greater pressure causes the liquid to expand, causing the liquid to rise in the thermometer. A. When liquid absorbs heat it loses kinetic energy. Kinetic energy = ½ * mass * velocity^2 When a liquid absorbs heat, the molecules move faster. Kinetic energy is proportional to the square of velocity of the molecules. So, since the molecules are moving faster, the liquid gains KE. B As the temperature rises, the molecules in liquid move more slowly. Temperature is the measure of the average Kinetic energy of the molecules of a substance. Let's determine what causes the temperature to rise. Suppose you half fill a small metal can with 50º F water, and place it in a pan with 120ºF water in it. The molecules of the 120ºF water are moving very fast. They collide with the atoms in the outer surface of metal can, making these atoms vibrate faster. As these atoms vibrate faster, hitting the atoms in the inside of the metal can harder, the atoms inside vibrate faster. These atoms in the inside of the metal can hit the molecules of the 50º F water, making these water molecules move faster. Since the water molecules of the 50º F water are now moving faster (greater velocity), they have more kinetic energy. So, the temperature of the water in the can is getting warmer. It is a chain reaction. C kinetic energy causes temperature? Temperature measures the kinetic energy. Kinetic energy = ½ * mass * velocity^2 Kinetic energy measures the mass and velocity of atoms and molecules. When the atoms are moving faster the temperature is higher.
What are molecules that are joined in an ordered structure?
When molecules are linked in organized positions has solid results. When heat is absorbed by a solid the molecules vibrate faster and faster.
What phase do molecules vibrate most?
Molecules only vibrate in solids. so in solids, they vibrate most when they are expreinecing the latent heat of meltng, or when they are just about to melt.
Why does adding heat cause particles to vibrate faster?
Heat is a form of energy, you are adding energy to the system, this causes the particles to vibrate faster.
What happens when a solid absorbs energy?
Typically the solid will both increase in temperature and expand, as the heat energy delivered to the solid causes its molecules to vibrate faster and to increase their spacing.
Does glucose diffuse faster if it is heated?
yes. When the glucose molecules gain energy, they will vibrate or move around faster.
What best describes the motion of molecules?
um .... its the kinetic energy which helps to move the molecules when the thing is hot then the kinetic energy helps the molecules move faster and when things are some what cold then the kinetic energy moves slower . the thing may be food or etc ...... .
What is happening to water molecules while water is boiling?
The molecules gain energy. As they gain energy, they vibrate faster and faster until they have the energy to break the intermolecular bonds and turn into a gas. This happens at 100 degrees C.
What happens to the particles of matter when thermal energy is added to it?
When thermal energy is added to particles of matter, it causes the particles to move faster and emit more energy.
Does Increased temperature causes a molecule to vibrate?
Yes. The molecule vibrate about its equilibrium position. If the thermal energy is high enough the molecule can break free from intermolecular bonds leading to changes i physical phase (solid-->liquid-->gas)
What happens to the molecules of a substance when it is melted?
the molecules vibrate, faster and faster as the heat increases then they become disordered
Why do antacids dissolve faster in warm water?
It has more energy in the form of water molecules that vibrate and move around faster than those in cold water.
Conductionconvection and radiation what is the specific name of these 3?
Collectively they are form s of 'Energy Transfer'. Conduction : The molecules in a hot object move/vibrate faster than in a cooler object. A hot object placed adjacent to a cool object , will make the cool objects molecules move /vibrate faster. Convection : The movement of got molecules to a cooler region. Radiation ; An electron-magnetic wave, which when it intercepts an object will make its molecules move/vibrate faster.
On what principle do most thermometers work A when liquid absorbs heat it loses kinetic energy B as the temperature rises the molecules in liquid move more slowly C kinetic energy causes temperatur?
On what principle do most thermometers work? As the temperature of the liquid in the thermometer gets hotter, the molecules move faster. As the molecules move faster, they produce greater pressure. The only free surface is the top. This greater pressure causes the liquid to expand, causing the liquid to rise in the thermometer. A. When liquid absorbs heat it loses kinetic energy. Kinetic energy = ½ * mass * velocity^2 When a liquid absorbs heat, the molecules move faster. Kinetic energy is proportional to the square of velocity of the molecules. So, since the molecules are moving faster, the liquid gains KE. B As the temperature rises, the molecules in liquid move more slowly. Temperature is the measure of the average Kinetic energy of the molecules of a substance. Let's determine what causes the temperature to rise. Suppose you half fill a small metal can with 50º F water, and place it in a pan with 120ºF water in it. The molecules of the 120ºF water are moving very fast. They collide with the atoms in the outer surface of metal can, making these atoms vibrate faster. As these atoms vibrate faster, hitting the atoms in the inside of the metal can harder, the atoms inside vibrate faster. These atoms in the inside of the metal can hit the molecules of the 50º F water, making these water molecules move faster. Since the water molecules of the 50º F water are now moving faster (greater velocity), they have more kinetic energy. So, the temperature of the water in the can is getting warmer. It is a chain reaction. C kinetic energy causes temperature? Temperature measures the kinetic energy. Kinetic energy = ½ * mass * velocity^2 Kinetic energy measures the mass and velocity of atoms and molecules. When the atoms are moving faster the temperature is higher.
How do you know how hot an object is?
Heat is a form of energy. The energy is tied to the molecules of the object. The faster the molecules in an object vibrate, the more heat energy it contains and therefore the more hotter it is. By measuring the amount of vibration in an objects molecules, you can calculate how hot it is.
