ying123123
Member
- Joined
- Oct 20, 2005
- Messages
- 43
H+H -----> He
caculate the ,mass defect?
i got the answers but dont noe where the units come fomr?
mass of hydrogen = 6.68*10-27 where di this come form?
mass of HE = 6.646 * 10-27 where did this come form?
mass defect is minus from those units
and E=mc2
2H1 +2H1 -----> 4He2 2 should be under 4
the1 is should be under 2
caculate the ,mass defect?
i got the answers but dont noe where the units come fomr?
mass of hydrogen = 6.68*10-27 where di this come form?
mass of HE = 6.646 * 10-27 where did this come form?
mass defect is minus from those units
and E=mc2
2H1 +2H1 -----> 4He2 2 should be under 4
the1 is should be under 2