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What happens to temperature during a phase change?
During a phase change, the temperature remains constant as the substance absorbs or releases heat energy to change from one phase to another. This is because the energy is used to break or form intermolecular bonds rather than raise or lower the temperature.
Why does the temperature of a substance remain constant during it's melting point on boiling point?
Because of phase transition ie from solid to liquid during melting and from liquid to vapour during boiling. So just to change over from one phase to the other heat is totally utilized and hence no chance to have a rise in temperature. So temperature remains constant.
What layer of the atmosphere has the most constant temperature?
The stratosphere has a relatively constant temperature because it contains the ozone layer, which absorbs and traps solar radiation, leading to a stable temperature profile in this layer of the atmosphere.
Is freezing point of a substance is equal the melting point of the same substance?
Yes, the freezing point of a substance is the same as its melting point. This is because both processes involve a change in state from solid to liquid or vice versa, and the temperature at which this occurs is the same for a specific substance under constant pressure.
Is the temperature at which a liquid and solid states of a substance are in equilibrium is the same as the melting point and freezing point of the substance?
Yes, the temperature at which the liquid and solid states of a substance are in equilibrium is the same as the melting point and freezing point of the substance. This is because at this temperature, the rate of melting is equal to the rate of freezing, resulting in a dynamic equilibrium between the two states.
When a substance is undergoing change of state the temperature of the substance does not change until the is complete?
During a change of state, such as melting or boiling, the temperature of the substance remains constant because the heat energy is being used to break intermolecular forces rather than increase the kinetic energy of the particles. Once the change of state is complete, the temperature will start to rise again as thermal energy is being used to increase kinetic energy.
What happens to a substance's temperature as it god through the change of state?
During a change of state, the temperature of a substance remains constant. This is because the energy being added or removed is used to break or form intermolecular bonds rather than increase or decrease the substance's kinetic energy.
Why is an object moving in a constant speed undergoing?
An object moving at a constant speed is not undergoing acceleration because acceleration is a change in velocity over time. Since the object's speed is not changing, there is no acceleration.
Why does the temperature of any substance remain constant during the change of a state?
because energy is required to break the intermolecular forces in the molecule
What do you think will happen to the temperature of a substance during a phase change?
During a phase change, the temperature of a substance remains constant. This is because the energy being absorbed or released is used to break or form intermolecular bonds, rather than to change the temperature of the substance.
What is the relationship between temperature change and the heat capacity at constant pressure?
The relationship between temperature change and heat capacity at constant pressure is that as the temperature increases, the heat capacity also increases. Heat capacity is a measure of how much heat energy is needed to raise the temperature of a substance by a certain amount, and it tends to increase with temperature because the substance can absorb more heat energy as it gets hotter.
Why does temperature remains constant during the process of melting or boiling?
This is because the heat supplied to the substance is used up in the overcoming the inter molecular forces and therefore , it does not show up as a rise in the temperature. Temperature stays constant until all the interactions are broken.
How can the temperature of a substance remain the same even if the substance is absorbing thermal enerrgy?
The temperature of a substance can remain the same during absorbing thermal energy if the substance is undergoing a phase change, such as melting or boiling. During a phase change, the absorbed thermal energy goes into breaking intermolecular bonds rather than increasing the temperature. Once the phase change is complete, the temperature will resume rising as the substance absorbs more thermal energy.
Why does a substance have a constant flow rate if all variables remain constant?
because i have bstl
What is the position versus time graph of a body undergoing constant acceleration?
The position versus time graph of a body undergoing constant acceleration is a curved line that slopes upwards or downwards, depending on the direction of acceleration. The curve is not a straight line because the velocity of the body is changing at a constant rate.
Why temperature becomes constant at melting and boiling point?
At the melting point, the temperature remains constant because the energy being absorbed is utilized to overcome the intermolecular forces holding the solid together, rather than increasing the temperature. Similarly, at the boiling point, the temperature remains constant as the energy is used to break the intermolecular bonds holding the liquid together, allowing the substance to transition into the gas phase.
What happens to temperature during a phase change?
During a phase change, the temperature remains constant as the substance absorbs or releases heat energy to change from one phase to another. This is because the energy is used to break or form intermolecular bonds rather than raise or lower the temperature.
