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Which temperature scale does the average kinetic energy of molecules double when the temperature double?
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∙ 10y ago
On the Kelvin Scale
Wiki User
∙ 10y ago
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Temperature is not a measurement of the amount of heat?
True! Temperature is the average kinetic energy of the molecules of a substance.Heat is the total kinetic energy of the molecules of a substance. See the difference?For example, if you double the amount of a substance, then you have double the heat energy, but the temperature stays the same.
Which property will eventually be the same for two objects after heat is transferred between them?
A wrong Idea:Often the concepts of heat and temperature are thought to be the same, but they are not.Perhaps the reason the two are usually and incorrectly thought to be the same is because as human beings on Earth everyday experience leads us to notice that when you heat something up, say like putting a pot of water on the stove, then the temperature of that something goes up. More heat, more temperature - they must be the same, right? Turns out, though, this is not true.Initial Definitions:Temperature is a number that is related to the average kinetic energy of the molecules of a substance. If temperature is measured in Kelvin degrees, then this number is directly proportional to the average kinetic energy of the molecules.Heat is a measurement of the total energy in a substance. That total energy is made up of not only of the kinetic energies of the molecules of the substance, but total energy is also made up of the potential energies of the molecules.More abut temperature:So, temperature is not energy. It is, though, a number that relates to one type of energy possessed by the molecules of a substance. Temperature directly relates to the kinetic energy of the molecules. The molecules have another type of energy besides kinetic, however; they have potential energy, also. Temperature readings do not tell you anything directly about this potential energy.Temperature can be measured in a variety of units. If you measure it in degrees Kelvin, then the temperature value is directly proportional to the average kinetic energy of the molecules in the substance. Notice we did not say that temperature is the kinetic energy. We said it is a number, if in degrees Kelvin, is proportional to the average kinetic energies of the molecules; that is, if you double the Kelvin temperature of a substance, you double the average kinetic energy of its molecules.More About Heat:Heat is energy.Heat is the total amount of energy possessed by the molecules in a piece of matter. This energy is both kinetic energy and potential energy.When heat, (i. e., energy), goes into a substance one of two things can happen:1. The substance can experience a raise in temperature. That is, the heat can be used to speed up the molecules of the substance. Since Kelvin temperature is directly proportional to the average kinetic energy of molecules in a substance, an factor increase in temperature causes an equal factor increase in the average kinetic energy of the molecules. And if the kinetic energy of the molecules increase, the speed of the molecules will increase, although these increases are not directly proportional. The kinetic energy of a body is proportional to the square of the speed of the body. 2. The substance can change state. For example, if the substance is ice, it can melt into water. Perhaps surprisingly, this change does not cause a raise in temperature. The moment before melting the average kinetic energy of the ice molecules is the same as the average kinetic energy of the water molecules a moment after melting. Although heat is absorbed by this change of state, the absorbed energy is not used to speed up the molecules. The energy is used to change the bonding between the molecules. Changing the manner in which the molecules bond to one another constitutes a change in potential energy. Heat comes in and there is an increase in the potential energy of the molecules. Their kinetic energy remains unchanged.So, when heat comes into a substance, energy comes into a substance. That energy can be used to increase the kinetic energy of the molecules, which would cause an increase in temperature. Or that heat could be used to increase the potential energy of the molecules causing a change in state that is not accompanied by an increase in temperature.my source (i give all credit to the website below for they are the ones who had this fancy answer): i hope that this was of some help to youhttp://id.mind.net/~zona/mstm/physics/mechanics/energy/heatAndTemperature/heatAndTemperature.html
What is Relation between temperature and kinetic energy?
In an ideal gas of monatomic particles, the average kinetic energy is <K>=(3/2)*k*T In a more general ideal gas, the average energy of each particle is <K>=(d/2)*k*T where d is the number of degrees of freedom. There isn't a clear distinction between kinetic and potential energy for general degrees of freedom. For normal (non-negative) temperatures, as temperature increases, so does energy. The exact relation depends on the entropy of the system. T=dU/dS, where d is the partial derivative. http://en.wikipedia.org/wiki/Equipartition_theorem http://en.wikipedia.org/wiki/Ideal_gas
What will happen to the kinetic energy for an object if its mass is double but the velocity remains at the same?
Kinetic Energy = (1/2)*(mass)*(velocity)2 If you double the mass, then the kinetic energy will double If you double the velocity, the kinetic energy will increase by a factor of 4
What two factors determine an object kinetic energy?
Kinetic energy is given by the following equaiton: KE = 0.5*m*v^2 Where KE is kinetic energy, m is the object's mass, and v is its velocity. In other words, an object's kinetic energy is dependent on its mass and the square of its velocity. Note that since the velocity term is squared, velocity has a larger effect on kinetic energy than mass. For example, if you double mass, the kinetic energy will also double, but if you double velocity, kinetic energy increases by a factor of four.
Temperature is not a measurement of the amount of heat?
True! Temperature is the average kinetic energy of the molecules of a substance.Heat is the total kinetic energy of the molecules of a substance. See the difference?For example, if you double the amount of a substance, then you have double the heat energy, but the temperature stays the same.
Which property will eventually be the same for two objects after heat is transferred between them?
A wrong Idea:Often the concepts of heat and temperature are thought to be the same, but they are not.Perhaps the reason the two are usually and incorrectly thought to be the same is because as human beings on Earth everyday experience leads us to notice that when you heat something up, say like putting a pot of water on the stove, then the temperature of that something goes up. More heat, more temperature - they must be the same, right? Turns out, though, this is not true.Initial Definitions:Temperature is a number that is related to the average kinetic energy of the molecules of a substance. If temperature is measured in Kelvin degrees, then this number is directly proportional to the average kinetic energy of the molecules.Heat is a measurement of the total energy in a substance. That total energy is made up of not only of the kinetic energies of the molecules of the substance, but total energy is also made up of the potential energies of the molecules.More abut temperature:So, temperature is not energy. It is, though, a number that relates to one type of energy possessed by the molecules of a substance. Temperature directly relates to the kinetic energy of the molecules. The molecules have another type of energy besides kinetic, however; they have potential energy, also. Temperature readings do not tell you anything directly about this potential energy.Temperature can be measured in a variety of units. If you measure it in degrees Kelvin, then the temperature value is directly proportional to the average kinetic energy of the molecules in the substance. Notice we did not say that temperature is the kinetic energy. We said it is a number, if in degrees Kelvin, is proportional to the average kinetic energies of the molecules; that is, if you double the Kelvin temperature of a substance, you double the average kinetic energy of its molecules.More About Heat:Heat is energy.Heat is the total amount of energy possessed by the molecules in a piece of matter. This energy is both kinetic energy and potential energy.When heat, (i. e., energy), goes into a substance one of two things can happen:1. The substance can experience a raise in temperature. That is, the heat can be used to speed up the molecules of the substance. Since Kelvin temperature is directly proportional to the average kinetic energy of molecules in a substance, an factor increase in temperature causes an equal factor increase in the average kinetic energy of the molecules. And if the kinetic energy of the molecules increase, the speed of the molecules will increase, although these increases are not directly proportional. The kinetic energy of a body is proportional to the square of the speed of the body. 2. The substance can change state. For example, if the substance is ice, it can melt into water. Perhaps surprisingly, this change does not cause a raise in temperature. The moment before melting the average kinetic energy of the ice molecules is the same as the average kinetic energy of the water molecules a moment after melting. Although heat is absorbed by this change of state, the absorbed energy is not used to speed up the molecules. The energy is used to change the bonding between the molecules. Changing the manner in which the molecules bond to one another constitutes a change in potential energy. Heat comes in and there is an increase in the potential energy of the molecules. Their kinetic energy remains unchanged.So, when heat comes into a substance, energy comes into a substance. That energy can be used to increase the kinetic energy of the molecules, which would cause an increase in temperature. Or that heat could be used to increase the potential energy of the molecules causing a change in state that is not accompanied by an increase in temperature.my source (i give all credit to the website below for they are the ones who had this fancy answer): i hope that this was of some help to youhttp://id.mind.net/~zona/mstm/physics/mechanics/energy/heatAndTemperature/heatAndTemperature.html
What is Relation between temperature and kinetic energy?
In an ideal gas of monatomic particles, the average kinetic energy is <K>=(3/2)*k*T In a more general ideal gas, the average energy of each particle is <K>=(d/2)*k*T where d is the number of degrees of freedom. There isn't a clear distinction between kinetic and potential energy for general degrees of freedom. For normal (non-negative) temperatures, as temperature increases, so does energy. The exact relation depends on the entropy of the system. T=dU/dS, where d is the partial derivative. http://en.wikipedia.org/wiki/Equipartition_theorem http://en.wikipedia.org/wiki/Ideal_gas
How are thermal energy and temperature alike?
If you increase temperature you increase thermal energy.If you double the amount you have the temperature does not change but the thermal energy does.Temperature and thermal energy are the same since they both use kinetic energy. Temperature uses the thermal energy when the heat measures the average of the kinetic energy. The thermal energy uses the kinetic energy, when it's averged together with the kinetic enery and the others to make the thermal energy.==========================Answer #2:Wow !Temperature is to thermal energy as depth is to water.
What will happen to the kinetic energy for an object if its mass is double but the velocity remains at the same?
Kinetic Energy = (1/2)*(mass)*(velocity)2 If you double the mass, then the kinetic energy will double If you double the velocity, the kinetic energy will increase by a factor of 4
How does mass and speed effect kinetic energy?
Kinetic Energy is 1/2 mass x the square of speed (KE = 1/2 mv^2)
When you double the mass of an object what will happen to the kinetic energy?
Double.
Is doubling a kinetic energy source by mass bigger than when you double its speed?
Doubling the mass will double the kinetic energy. Doubling the speed will increase kinetic energy by a factor 22 = 4.
Why does iodine react with molecules in oils?
Since oil is a liquid. it can b known from that and from the known facts, oil has double bonds. no oil is completely saturated. the double bonds allow the iodine radicals to react to carbon molecules with double bonds in turn saturating the oil molecules. however the reaction takes place in a dark environment at boiling temperature and in presence of a suitable catalyst.
What is the relationship between a moving object mass and its kinetic energy?
Linear - double mass and you double kinetic energy (1/2 m v squared).
Charles's laws temperature are measured in?
Kelvin all measurements have to be recorded in kelvin instead of degrees Celsius because if you ever have to double the temperature and the temperature happens to be a negative number it will only become more negative and therefore not really exist so the all measurements of the average kinetic energy have to be in Kelvin.
What will happen to your kinetic energy if you double its objects velocity?
8
