Refer to the activity series chart and determine which of the following displacement reactions can occur.

a. 2ag(s) + zn(no3)2(aq) → 2agno3(aq) + zn(s)

b. 2cu(no3)2(aq) + 2ag(s) → 2agno3(aq) + cu(s)

c. cuso4(aq) + fe(s) → feso4(aq) + cu(s)

d. 3mgso4(aq) + 2al(s) → al2(so4)3(aq) + 3mg(s)

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

Why dose heating increase the speed at which a solution dissolved in water

The size (radius) of an oxygen molecule is about 2.0 ×10−10m. make a rough estimate of the pressure at which the finite volume of the molecules should cause noticeable deviations from ideal-gas behavior at ordinary temperatures (t= 300k ). assume that deviatons would be noticeable when volume of the gas per molecule equals the volume of the molecule itself.