Which solution has the greatest number of hydrogen ions?
2 answers:
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The given question is incomplete. The complete question is:
The combustion of propane (C3H8) in the presence of excess oxygen yields and
When only 2.5 mol of are consumed in order to complete the reaction, ________ mol of
are produced.
Answer: Thus when 2.5 mol of are consumed in their reaction, 1.5 mol of
are produced
Explanation:
The balanced chemical equation is:
According to stoichiometry :
5 moles of produce = 3 moles of
Thus 2.5 moles of will produce =
moles of
Thus when 2.5 mol of are consumed in their reaction, 1.5 mol of
are produced
Answer:
Explanation:
In this question, we wish to find the missing nuclei for the equation:
In order to find the missing species, we need to use the charge and mass balance law. That is, the mass should be conserved: the total mass on the left-hand side with respect to the arrow should be equal to the total mass on the right-hand side with respect to the arrow:
Notice from here that:
So far we know that the mass of X is 4. Similarly, we apply the law of charge conservation. The total charge should be conserved:
From here:
We have a particle:
Looking at the periodic table, an atom with Z = 2 corresponds to helium. This can also be written as an alpha particle: