In a fission reaction, how does the number of reactants compare to the number of products? a. there are more reactants. b. there are fewer reactants. c. the number of products and reactants is the same. d. sometimes there are more reactants and sometimes there are fewer reactants.

Option (B) is the correct answer.

Explanation:

A process in which a large nuclei of an atom splits into two small nuclei is known as a nuclear fission.

For example, is a nuclear fission reaction.

So, there will be one reactant on bombardment with another element or particle will give more number of products in a fission reaction.

And, when two small nuclei combine together and result in the formation of a large nuclei then it is known as nuclear fusion.

For example, is a nuclear fusion reaction.

Therefore, we can conclude that in a fission reaction, there are fewer reactants.

as given the equation is

2al + 6 hcl > 2 alcl3 + 3 h2(g)

as per equation two moles of aluminum reacts with six moles of hcl to give two moles of alcl3 and three moles of hydrogen gas

given: three moles of al are present and 7 moles of hcl

for three moles of aluminum nine moles of hcl will be required

however as 7 moles of hcl are present so the limiting reagent is hcl

hcl is going to decide the number of moles of product formed

when six moles of hcl are present = 3 moles of h2 are formed

when one mole of hcl is present == 3/6 mole sof h2 will be formed

when 7 moles of hcl are present = 3 x 7/ 6 moles of h2 will be formed = 3.5 moles of h2

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explanation:

because it is