Nuclear waste from fission reactions stays radioactive for a very long time. select one: true false

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

Calculate the number of molecules present in 0.750 mol of mgo.