Gas Laws and Examples - Charles' Law and Gay-Lussac's Law
Gas laws govern the behavior of gases and their relationships with variables like temperature, volume, and pressure. Charles' Law states that the volume of a gas is directly proportional to its temperature when pressure is constant, while Gay-Lussac's Law reveals the direct relationship between pressure and temperature when volume remains constant. Explore examples like hot air balloons, baking bread, and engine combustion to understand these laws better.
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Presentation Transcript
Charless Law The volume of a gas is directly proportional to temperature when pressure is constant When T increases, V increases V= V 1 2 T T 1 2 Temperature MUST be in KELVINS!
A Graph of Charles Law Examples -Hot air balloon -Baking Bread -Balloons shrink in winter weather -Engine combustion
Train Car Crush https://www.youtube.com/watch?v=Zz95_VvTxZM
Gay Lussacs Law The pressure and temperature of a gas are directly related when volume remains constant. P= P 1 2 T T 1 2 Temperature MUST be in KELVINS!
A Graph of Gay-Lussacs Law Examples: -Refrigerator -Pressure Cooker -firing a gun
Charles Example: At a constant pressure, a 675 mL sample of N2 gas is warmed from 23oC (room temp) to 38oC (hot summer day). What is the new volume of the N2 gas?
Gay-Lussacs Example An aerosol can is almost empty and contains gas at 1.2 atm at 24oC. If the can is thrown into a fire and reaches at temp of 485oC what will the pressure become in the hot can?
