how to put Uranium-238 undergoes alpha decay to form thorium-234 over billions of years. An alpha particle (helium nucleus) is released. After that, several other decay reactions occur to eventually form lead-206. in a equation

Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l

The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)

Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road