Stated mathematically. Ionic compounds 6 G. It can be verified experimentally using a pressure gauge and a variable volume container. Surviving chemistry 4 B. Everett and chemistry-reference. Thermo, kinetics, equilibria 12 S. And, as the equation shows, if you heat up a gas it gets big, and if you cool it the gas gets small.
When the cylinder is heated, temperature of the gas inside the cylinder increases and also increases the pressure which makes the gas expand and exerts a force on the piston and makes it move upward.
Equal volumes of four different gases at the same temperature and pressure contain the same number of gaseous particles. Pressure is the force that something exerts on something else. Chemistry dictionary C.
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