(a) Interpretation: The given oxidation-reduction reaction is to be balanced. Concept Introduction: In a chemical equation when the number of atoms of an element on the left-hand side is equal to the number of atoms of that element on the right-hand side, it is known as a balanced chemical equation. The balancing of a chemical equation is done to follow the law of conservation of mass.
(a) Interpretation: The given oxidation-reduction reaction is to be balanced. Concept Introduction: In a chemical equation when the number of atoms of an element on the left-hand side is equal to the number of atoms of that element on the right-hand side, it is known as a balanced chemical equation. The balancing of a chemical equation is done to follow the law of conservation of mass.
Solution Summary: The author explains that the oxidation-reduction reaction is to be balanced. The balancing of a chemical equation follows the law of conservation of mass.
Definition Definition Chemical reactions involving both oxidation and reduction processes. During a redox reaction, electron transfer takes place in such a way that one chemical compound gets reduced and the other gets oxidized.
Chapter 7, Problem 49QAP
Interpretation Introduction
(a)
Interpretation:
The given oxidation-reduction reaction is to be balanced.
Concept Introduction:
In a chemical equation when the number of atoms of an element on the left-hand side is equal to the number of atoms of that element on the right-hand side, it is known as a balanced chemical equation. The balancing of a chemical equation is done to follow the law of conservation of mass.
Interpretation Introduction
(b)
Interpretation:
The given oxidation-reduction reaction is to be balanced.
Concept Introduction:
In a chemical equation when the number of atoms of an element on the left-hand side is equal to the number of atoms of that element on the right-hand side, it is known as a balanced chemical equation. The balancing of a chemical equation is done to follow the law of conservation of mass.
Interpretation Introduction
(c)
Interpretation:
The given oxidation-reduction reaction is to be balanced.
Concept Introduction:
In a chemical equation when the number of atoms of an element on the left-hand side is equal to the number of atoms of that element on the right-hand side, it is known as a balanced chemical equation. The balancing of a chemical equation is done to follow the law of conservation of mass.
Interpretation Introduction
(d)
Interpretation:
The given oxidation-reduction reaction is to be balanced.
Concept Introduction:
In a chemical equation when the number of atoms of an element on the left-hand side is equal to the number of atoms of that element on the right-hand side, it is known as a balanced chemical equation. The balancing of a chemical equation is done to follow the law of conservation of mass.
Lab Data
The distance entered is out of the expected range.
Check your calculations and conversion factors.
Verify your distance. Will the gas cloud be closer to the cotton ball with HCI or NH3?
Did you report your data to the correct number of significant figures?
- X
Experimental Set-up
HCI-NH3
NH3-HCI
Longer Tube
Time elapsed (min)
5 (exact)
5 (exact)
Distance between cotton balls (cm)
24.30
24.40
Distance to cloud (cm)
9.70
14.16
Distance traveled by HCI (cm)
9.70
9.80
Distance traveled by NH3 (cm)
14.60
14.50
Diffusion rate of HCI (cm/hr)
116
118
Diffusion rate of NH3 (cm/hr)
175.2
175.2
How to measure distance and calculate rate
For the titration of a divalent metal ion (M2+) with EDTA, the stoichiometry of the reaction is typically:
1:1 (one mole of EDTA per mole of metal ion)
2:1 (two moles of EDTA per mole of metal ion)
1:2 (one mole of EDTA per two moles of metal ion)
None of the above
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