Does this equation show that transmutation has taken place during decay? why or why not? 61/28 Ni=61/28 Ni + y
a. yes, because the numbers of nucleons and atoms are conserved
b. no, because high-energy electromagnetic waves are emitted
c. no, because there is conservation of the number of atoms as well as the number of nucleons
d. yes, because nickel atoms remain nickel atoms with the same number of neutrons

2fe + 3h2so4 -> fe2(so4)3 + 3h2

it is necessary to balance equations in order to get the proper amount of reactants as well as products in order not to make a miscalculation.

you cannot change the subscripts as that would change the substance itself. for instance, diatomic elements such as h2 only have the subscript two when a gas. another example would be so4, if you were to change the subscript, the element would no longer be sulfate.

we change the coefficients instead as that only changes the number of molecules rather than the substance itself.

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the answer for sodium is 0.186

the answer for rubidium is 0.251

b is the correct answer

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