Based on Reference Table J, which two reactants react spontaneously? 1.
Mg(s) + ZnCl2(aq)
2.
Cu(s) + FeSO4(aq)
wa
3.
Pb(s) + ZnCl2(aq)
4
Co(s) + NaCl(aq)

Order the following from smallest to largest atom, electron, quark, proton, neutron, molecule, nucleus

Alarge marble is dropped in a graduated cylinder with 35ml of water in it. the water level increases to 49ml. what is the volume of the marble

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