# Chemistry

posted by .

Calculate the amount of energy released per gram of nuclei when 2 protium nuclei react to form deuterium nucleus (protium = 1.00782 amu, deuterium = 2.01410 amu).

The answer in the book is -2.0 x 10^10 J, but I don't have any idea on how to do this. Please help, and thank you so much.

• Chemistry -

I get close to that answer if we neglect the fact that an extra electron produced is ignored, AND I think you transposed numbers for the mass of the proton. I think
(2.0141 - 2*1.00728) = ? amu
Change to kg.
?amu x (1/6.022E23*1000) = kg
E = kg*c^2 and that gives me 6.86E-14 per atom.
Convert to mols = 6.86E-14 x 6.022E23 = -4.13E10J/2.0141 grams or 2.05E10 J/g.

## Similar Questions

1. ### chem

why are the MP and BP of deuterium higher than those of protium?
2. ### College Chemistry (Hard)

The easiest fusion reaction to initiate is 1-1H + 1-1H------> 4-2He + 1-0 n The 1-1 indicates a small one above the other on the left side of the symbol of the element.So for 1-0n is a one above a zero on the left side of n (neutron). …
3. ### Physics

Imagine that your car is powered by a fusion engine in which the following reaction occurs. 3*deuterium--->helium + hydrogen + neutron The masses are (2.0141 u), (4.0026 u), (1.0078 u) and (1.0087 u). The engine uses 8.1 10-6 kg …
4. ### chemistry

If the mass od one neutron is 1.00866 amu, the mass of one proton is 1.00728 amu, and the mass of 12C nucleus is 11.99671 amu, calculate the binding energy for the 12C nucleus. A-1.10x10^18 kJ/mol B-8.90x10^9 C-1.10x10^15 D-8.90x10^12 …
5. ### chemistry

For the following fusion reaction, Calculate change in energy per mole.( Answer in J/mole) 2H1 + 2H1 ---> 3H1 + 1H1 (the mass number is in front of the atom and the atomic number is behind the atom) Given info:Atoms with their masses(amu) …
6. ### Chemistry

Naturally occurring boron is 80.20% boron-11 (of atomic mass 11.01 amu) and 19.80% of some other isotope form of boron. What must be the atomic mass of this second isotope in order to account for the 10.81 amu average atomic mass of …
7. ### chemistry

How much energy in MeV is released to form one atom of 87Rb from protons, electrons, and neutrons if the nucleus has a mass of 86.909187 amu?
8. ### chemistry

Can someone please explain to me how to find the energy released?
9. ### Chemistry

I am really lost with this. Calculate the amount of energy released in kJ/mol for the fusion reaction of two 1H atoms to yield a 2H atom and electron: 1/1H+1/1H→2/1H+0/1e The atomic masses are 0/1e (0.0005486 u), 1H (1.00783 …