Write a balance equation for the reaction of element A (red spheres) with element B (green spheres). Concept Introduction: Number of spheres represents the number of molecules.
Write a balance equation for the reaction of element A (red spheres) with element B (green spheres). Concept Introduction: Number of spheres represents the number of molecules.
Definition Definition Transformation of a chemical species into another chemical species. A chemical reaction consists of breaking existing bonds and forming new ones by changing the position of electrons. These reactions are best explained using a chemical equation.
Chapter 3, Problem 3.1P
Interpretation Introduction
Interpretation:
Write a balance equation for the reaction of element A (red spheres) with element B (green spheres).
Concept Introduction:
Number of spheres represents the number of molecules.
Expert Solution & Answer
Answer to Problem 3.1P
9A2+6B→6A3B
Or
3A2+2B→2A3B
Given:
Element Arepresents red sphere and element Brepresents green spheres.
Explanation of Solution
In left box, reactant side, two red spheres are stick together and green spheres are independent. Therefore, box contain molecules of A2and B.
In right box, product side, compound formed by arrangement of A and B in the ratio of 3:1 is present. Therefore, box contain molecules of compound A3B.
A2+B→A3B
By trial and error method, it can be found out A2has 3molecule, Bhas 2molecule while A3Bhas 2molecule.
Now balance equation can be written as:
9A2+6B→6A3B
Or, it can be simplified as follows:
3A2+2B→2A3B
Conclusion
Number of atom in reactant side = Number of atomic product side. Atoms are conserved during chemical reaction.
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2. Draw the missing structure(s) in each of the following reactions. The missing
structure(s) can be a starting material or the major reaction product(s).
C5H10
H-CI
CH2Cl2
CI
Draw the products of the stronger acid protonating the other reactant.
དའི་སྐད”“
H3C
OH
H3C
CH
CH3
KEq
Product acid
Product base
Draw the products of the stronger acid protonating the other reactant.
H3C
NH2
NH2
KEq
H3C-CH₂
1.
Product acid
Product base
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