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Is the enthalpy change (H) independent of temperature?
No, the enthalpy change (H) is not independent of temperature. It can vary with temperature changes.
How does the enthalpy of an ideal gas vary with temperature?
The enthalpy of an ideal gas increases with temperature. As the temperature rises, the kinetic energy of the gas molecules also increases, leading to higher enthalpy.
What is the relationship between enthalpy and temperature in an isothermal process?
In an isothermal process, the temperature remains constant. Therefore, the enthalpy change is directly proportional to the temperature change.
What happens to particle motion if the temperature is decreased?
If temperature is decreased, particles have less kinetic energy, causing them to move slower and closer together. This can lead to a decrease in the volume of the substance as the particles lose energy and vibrate with less amplitude.
What could make G become negative at a given enthalpy and entropy?
Changing the temperature
What does the enthalpy vs temperature graph reveal about the relationship between enthalpy and temperature?
The enthalpy vs temperature graph shows how enthalpy changes with temperature. It reveals that as temperature increases, enthalpy also tends to increase. This indicates a positive relationship between enthalpy and temperature.
What happens to the temperature of the air as it rises for frontal?
The temperature of air is decreased.
If air rises what happens to it's temperature?
The temperature of air is decreased.
What happens to the volume of a gas - if the temperature is decreased?
It decreases.
What happens to the temperature of the system when the heat energy is decreased?
It drops.
Is the enthalpy change (H) independent of temperature?
No, the enthalpy change (H) is not independent of temperature. It can vary with temperature changes.
How does the enthalpy of an ideal gas vary with temperature?
The enthalpy of an ideal gas increases with temperature. As the temperature rises, the kinetic energy of the gas molecules also increases, leading to higher enthalpy.
What is the relationship between enthalpy and temperature?
Enthalpy is the amount of energy in a system and when this changes (when a reaction happens), the energy is either released (exothermic) or absorbed (endothermic) and this energy is usually released or absorbed as heat. Therefore when the enthalpy decreases, heat is released from the system making it exothermic. In contrast, when the enthalpy increases, heat is absorbed making it endothermic.
What happens to the pressure of a gas if the temperature of the gas is decreased?
the pressure will also decrease
What is the relationship between enthalpy and temperature in an isothermal process?
In an isothermal process, the temperature remains constant. Therefore, the enthalpy change is directly proportional to the temperature change.
What happens to the kinetic energy when temperature is changed?
When the temperature is increased the kinetic energy increases, and when it is decreased the kinetic energy decreases.
What happens to the mass of gas when temperature is decreased by -273 degree celsius?
The Mass of a substance will not change with a reduction of temperature … even to -273C.
