When a gas is suddenly compressed, temperature rises. Why?

When an ideal gas is compressed adiabatically, its temperature rises, the molecules on the average have more kinetic energy than before. The kinetic energy increases,

An ideal gas is compressed at a contant temperature. Will its internal energy increase or decrease?

Oxygen gas is inert at room temperature why?

Air in a cylinder is suddenly compressed by a piston, which is then maintained at the same position. With hpassage of time

When a horse suddenly gallops, the rider falls backward. Why ?

CO_2 is gas but SiO_2 is solid at room temperature. Why?

Why does a rubber can be compressed ?

If at 50^@C and 75 cm of mercury pressure , a definite mass of a gas is compressed slowly, then what will be the final pressure and temperature of the gas if the final volume is one-fourth of the initial volume?