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Can heat transfer occur when two substances are the same temperature?
No, heat transfer occurs due to a temperature difference between two substances. If both substances are at the same temperature, there is no temperature gradient to drive heat transfer, so no heat transfer will occur.
Which direction does heat transfer occur: does heat go to cold or does cold go to heat?
Heat transfer occurs from hot to cold. Heat always moves from a higher temperature to a lower temperature.
What direction does heat go?
Heat moves from areas of high temperature to areas of low temperature, until an equilibrium is reached. This movement is known as heat transfer and can occur through conduction, convection, or radiation.
What causes the temperature of objects to change?
The temperature of an object changes when heat is added or removed from it. Heat transfer can occur through conduction, convection, or radiation. When heat energy is absorbed by an object, its particles vibrate more quickly, increasing the object's temperature.
What is transferred between objects as a result of temperature differences?
Heat is transferred between objects as a result of temperature differences. This transfer can occur through conduction, convection, or radiation. Heat always flows from an object at a higher temperature to an object at a lower temperature until thermal equilibrium is reached.
Can heat transfer occur when two substances are the same temperature?
No, heat transfer occurs due to a temperature difference between two substances. If both substances are at the same temperature, there is no temperature gradient to drive heat transfer, so no heat transfer will occur.
What does heat allow melting to occur?
Because melting occur at high temperature; at this temperature bonds between particles are weaker.
What is transferred due to a temperature difference?
Heat is transferred due to a temperature difference. Heat flows from a higher temperature to a lower temperature until thermal equilibrium is reached. This transfer of heat can occur through conduction, convection, or radiation.
Which direction does heat transfer occur: does heat go to cold or does cold go to heat?
Heat transfer occurs from hot to cold. Heat always moves from a higher temperature to a lower temperature.
How do object change temperature?
Objects change temperature through the transfer of heat energy. This can occur through conduction, convection, or radiation. When an object gains heat energy, its temperature increases, and when it loses heat energy, its temperature decreases.
Describe the condition that must exist for transfer of heat to occur?
For heat transfer to occur, there must be a temperature difference between the two objects or systems involved. Heat always flows from a higher temperature to a lower temperature until thermal equilibrium is reached.
Why does water need a lot of heat to evaporate?
High temperature favors evaporation but evaporation occur at any temperature.
What direction does heat go?
Heat moves from areas of high temperature to areas of low temperature, until an equilibrium is reached. This movement is known as heat transfer and can occur through conduction, convection, or radiation.
What causes the temperature of objects to change?
The temperature of an object changes when heat is added or removed from it. Heat transfer can occur through conduction, convection, or radiation. When heat energy is absorbed by an object, its particles vibrate more quickly, increasing the object's temperature.
What is transferred between objects as a result of temperature differences?
Heat is transferred between objects as a result of temperature differences. This transfer can occur through conduction, convection, or radiation. Heat always flows from an object at a higher temperature to an object at a lower temperature until thermal equilibrium is reached.
What is steady heat flow?
In most realistic situations heat flow can be said to occur from a region of higher temperature to one of lower temperature. As the region of higher temperature loses heat and the other region gains heat their temperatures become closer and the rate of heat flow diminishes. If, however, it can be contrived to maintain the source of heat at a constant temperature and the destination of the heat also at a constant temperature, then the heat will flow between the two at a constant rate, called steady heat flow.
Thermal energy transferred between objects which have different temperature?
A transfer of heat (H) energy does not occur without a temperature differential. If the two objects had different amounts of H then a transfer would indeed occur. In this case heat would flow from a higher to lower temperature object.
