Metals that really react with cold water are and please give the answer as fast as you can

please

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

How many molecules are in 6.0 moles of methane