Calculate the mass of CuSO4SH2O needed to dissolve in 650m3 of a 0.5 mol. dm3 of copper sulphate solution ​

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge

Which position represents spring in the southern hemisphere? a) b) c) d)

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.