Which statement is true according to the kinetic theory?
1. moles of different gases with the same mas and temperature always have the same average density.
2. molecules of different gases with the same mass and temperature always have the same average volume.
3. molecules of different gases with the same mass and temperature always have the same pressure.
4. molecules of different gases with the same mass and temperature always have the same molecular mass.
5.molecules of different gases with the same mass and temperature have the same average kinetic energy.

The correct statement is 5.

Explanation:

The kinetic theory describes that the gases contain a large number of small rapidly moving particles, called molecules, that have the same mass.

Also the thermodynamic temperature of the ideal gas is directly dependent to the average kinetic energy of the gaseous molecules.

Therefore, according to this theory, gaseous molecules having identical mass and thermodynamic temperature must possess the same exact kinetic energy.

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

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