What is the wavelength of an electromagnetic wave that has a frequency of 2.45 2. 10° Hz in a vacuum? (The speed of light in a vacuum is 3.00 x 108
m/s.)

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.