Write a balanced chemical equation for the fermentation of sucrose (c12h22o11) by yeasts in which the aqueous sugar reacts with water to form aqueous ethyl alcohol (c2h5oh) and carbon dioxide gas.

Explanation:

1. First write the formula of each compound:

Sucrose :

Water :

Ethyl alcohol :

Carbon dioxide :

2. Write the equation with the reactants on the left and the products on the right:

3. Put the states of matter of each compound in the reaction, as the problem says:

aq = aqueous solution

g =  gas

4. Balance each element.

The number of each atom must be the same on the left and on the right.

considering the question as per the attachment

here we can see that the radon nuclide has 222 as the atomic mass number and 86 as the atomic number.

when it undergoes nuclear fission it gives polonium which has atomic mass number as 218 and atomic number will be 84 along with a helium nucleus which has 4 atomic mass number and 2 as its atomic number.

222 = 218 + 4 (atomic mass number)

86 = ? + 2; therefore ? = 86-2 = 84.

the atomic mass number of polonium will be 84.