Sound
What is sound?
Mechanical waves that travel through solids, liquids, and gases
Which law states that pressure and volume are inversely proportional?
Boyle’s Law
What is an isothermal process?
A process where temperature remains constant
What are the three main temperature scales?
Celsius, Kelvin, Fahrenheit
What is the kinetic theory of gases?
A theory explaining gas behavior based on particle motion
In which medium does sound travel fastest: air, water, or metal?
metal
Which law relates temperature and volume?
Charles’ Law
What is an isobaric process?
A process where pressure remains constant
What is the freezing point of water in Kelvin?
273K
What is diffusion?
The movement of molecules from high to low concentration
What is the human hearing range?
20 Hz – 20 kHz
The combined gas law is a combination of which three laws?
Boyle’s, Charles’, and Gay-Lussac’s laws
What happens to internal energy in an isothermal process?
It remains constant
Convert 100°C to Fahrenheit.
212°F
What is Brownian motion?
The random motion of small particles in a fluid
What is ultrasound?
Sound waves with frequencies above 20 kHz
According to Gay-Lussac’s law, what happens to pressure if temperature doubles at constant volume?
Pressure doubles
Give an example of an isobaric process
Boiling water in an open pot
What is absolute zero in Celsius?
-273.15°C
What is the equation for average kinetic energy of gas molecules?
KE = (3/2)kT
What is the speed of sound in air at 20°C?
~343 m/s
What is the mathematical formula of the combined gas law?
P₁V₁/T₁ = P₂V₂/T₂
What is the equation for work done in an isothermal expansion?
W = nRT ln(V₂/V₁)
Convert 300 K to Celsius
27°C
What is the Boltzmann constant?
1.38 × 10⁻²³ J/K