When heating gases at constant pressure, the pressure remains constant while the volume increases. This is because the gas is allowed to expand and the energy from heat is used to increase the kinetic energy of the gas molecules. On the other hand, when heating gases at constant volume, the volume remains constant while the pressure increases. This is because the gas is not allowed to expand and the energy from heat is used to increase the frequency of collisions between gas molecules, thus increasing the pressure.
Heating gases at constant pressure is more commonly used in real-world applications. This is because most industrial processes require a constant pressure to be maintained, and heating at constant pressure allows for more control over the system's pressure.
When heating gases at constant volume, the energy from heat is used to increase the kinetic energy of the gas molecules, resulting in a greater increase in temperature. However, when heating gases at constant pressure, some of the energy is used to do work on the gas as it expands, resulting in a smaller increase in temperature.
No, it is not possible to heat gases at both constant pressure and constant volume simultaneously. This is because the two methods are opposing in nature - one allows for expansion while the other restricts it.
Heating gases at constant pressure or constant volume increases the internal energy of the gas. This is because the energy from heat is used to increase the kinetic energy of the gas molecules, thus increasing the internal energy of the gas.