2.) Which of the following has the fastest moving particles? a.) A desk at 25°C
b.) A glass of water at 25°C
A balloon filled with helium at 25°C

How much energy is made when a pice of wood burns. how do you know

What best discribes the relationship between wavelength and frequency in a electromagnetic wave

Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)