- What causes time? Why was it created? When will it stop completely? Why? How?

Discover Questions

A 3.1 µL ampoule of xenon has a pressure of
1 Torr at 21 ◦C. How many Xe atoms are
present? answer to the thousandth? 10 POINTS!! Calculate the wavelength (nm) of the electron having the kinetic energy ( K.E=1/2mv^2) of the above transition 434 nm.? If the cylindrical stone of 4.5m long and 10/3m diameter has been rolled, then how many square meters will it roll in 200 rounds? How do I write out: minus I-H-R-D sine D-T equals minus D squared psi D-X squared plus V of X? What is the net ionic equation of ammonium phosphate + aluminum bromide?