Calculate the average binding energy per nucleon of 24 12Mg. Answer in units of MeV/nucleon.

The average binding energy per nucleon of   is 8.00 MeV/nucleon

Explanation:

Here we have the molar mass of is 23.985042 amu

The mass of a proton = 1.007276 amu

The mass of a neutron = 1.008665 amu

From the notation, 1 Mg = has 12 protons and 12 neutrons

Therefore, we find the binding energy as follows;

= 12 × (1.007276) amu + 12 × (1.008665) amu - 23.985042 amu

= 24.191292 amu - 23.985042 amu = 0.20625 amu

1 amu = 931 MeV

Therefore, 0.20625 amu = 0.20625 amu × 931 MeV = 192.01875 MeV

The average binding energy per nucleon in   which has 24 nucleons, is thus;

= 192.01875 MeV ÷ 24 = 8.00078 MeV/nucleon ≈ 8.00 MeV/nucleon.

answer: option c. i.e. electric current flowing “downhill” from the negative electrode to the positive electrode in a battery

explanation:

the water analogy to the circuits define the pipes (water flows) to the electric current. now, we know that the electric current flows from the positive terminal to the circuit (as shown in the diagram attached).

hence, option c is the correct answer.