# charles law

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• Sure﻿
• Hello charles﻿
• can you teach me about charles law﻿
• HI jude﻿
• First of all.what is charles law?﻿
• A real life example for the charles law is a hot air ballon.And i will give you the solution on how to compute charles law.
• Charles' Law is a special case of the ideal gas law. It states that the volume of a fixed mass of a gas is directly proportional to the temperature. This law applies to ideal gases held at a constant pressure, where only the volume and temperature are allowed to change.﻿
• ahhh﻿
• ok﻿
• A gas occupies 221 cm3 at a temperature of 0 C and pressure of 760 mm Hg. What will its volume be at 100 C? Since the pressure is constant and the mass of gas doesn't change, you know you can apply Charles' law. The temperatures are given in Celsius, so they must first be converted into absolute temperature (Kelvin) to apply the formula: V1 = 221cm3; T1 = 273K (0 + 273); T2 = 373K (100 + 273) Now the values can be plugged into the formula to solve for final volume: Vi/Ti = Vf/Tf221cm3 / 273K = Vf / 373K Rearranging the equation to solve for final volume: Vf  = (221 cm3)(373K) / 273K Vf  = 302 cm3﻿
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