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Concept explainers
(a)
Interpretation: Representation of an unbalanced equation for the given set of reactions has to be given.
Concept Introduction:
- Chemical equation is the symbolic representation of a
chemical reaction using thesymbols of elements. Chemical equation must be balanced on both sides (reactant side and product side) of the reaction. - Chemical equation must be balanced why because only then the yield, kinetics, heat of formation, equilibrium constant etc., of a reaction can be calculated. The balanced chemical equation gives the ratio of reactants involved in the chemical reaction. The elements present on reactant side and product side must be same. The number of atoms present on reactant side must match the number of atoms on product side, thus the mass of reactant undergoing reaction will match the mass of products that comes out.
- A well-balanced chemical equation will obey the "Law of conservation of mass" which states that, "in a closed system, the mass of reactants will be equal to the mass of product. It can neither be created nor be destroyed."
- When a chemical equation is not balanced, "Law of conservation of mass" is not obeyed.
To write: An unbalanced equation for the given reaction.
(b)
Interpretation: Representation of an unbalanced equation for the given set of reactions has to be given.
Concept Introduction:
- Chemical equation is the symbolic representation of a chemical reaction using the symbols of elements. Chemical equation must be balanced on both sides (reactant side and product side) of the reaction.
- Chemical equation must be balanced why because only then the yield, kinetics, heat of formation, equilibrium constant etc., of a reaction can be calculated. The balanced chemical equation gives the ratio of reactants involved in the chemical reaction. The elements present on reactant side and product side must be same. The number of atoms present on reactant side must match the number of atoms on product side, thus the mass of reactant undergoing reaction will match the mass of products that comes out.
- A well-balanced chemical equation will obey the "Law of conservation of mass" which states that, "in a closed system, the mass of reactants will be equal to the mass of product. It can neither be created nor be destroyed."
- When a chemical equation is not balanced, "Law of conservation of mass" is not obeyed.
To write: An unbalanced equation for the given reaction.
(c)
Interpretation: Representation of an unbalanced equation for the given set of reactions has to be given.
Concept Introduction:
- Chemical equation is the symbolic representation of a chemical reaction using the symbols of elements. Chemical equation must be balanced on both sides (reactant side and product side) of the reaction.
- Chemical equation must be balanced why because only then the yield, kinetics, heat of formation, equilibrium constant etc., of a reaction can be calculated. The balanced chemical equation gives the ratio of reactants involved in the chemical reaction. The elements present on reactant side and product side must be same. The number of atoms present on reactant side must match the number of atoms on product side, thus the mass of reactant undergoing reaction will match the mass of products that comes out.
- A well-balanced chemical equation will obey the "Law of conservation of mass" which states that, "in a closed system, the mass of reactants will be equal to the mass of product. It can neither be created nor be destroyed."
- When a chemical equation is not balanced, "Law of conservation of mass" is not obeyed.
To write: An unbalanced equation for the given reaction.
(d)
Interpretation: Representation of an unbalanced equation for the given set of reactions has to be given.
Concept Introduction:
- Chemical equation is the symbolic representation of a chemical reaction using the symbols of elements. Chemical equation must be balanced on both sides (reactant side and product side) of the reaction.
- Chemical equation must be balanced why because only then the yield, kinetics, heat of formation, equilibrium constant etc., of a reaction can be calculated. The balanced chemical equation gives the ratio of reactants involved in the chemical reaction. The elements present on reactant side and product side must be same. The number of atoms present on reactant side must match the number of atoms on product side, thus the mass of reactant undergoing reaction will match the mass of products that comes out.
- A well-balanced chemical equation will obey the "Law of conservation of mass" which states that, "in a closed system, the mass of reactants will be equal to the mass of product. It can neither be created nor be destroyed."
- When a chemical equation is not balanced, "Law of conservation of mass" is not obeyed.
To write: An unbalanced equation for the given reaction.
(e)
Interpretation: Representation of an unbalanced equation for the given set of reactions has to be given.
Concept Introduction:
- Chemical equation is the symbolic representation of a chemical reaction using the symbols of elements. Chemical equation must be balanced on both sides (reactant side and product side) of the reaction.
- Chemical equation must be balanced why because only then the yield, kinetics, heat of formation, equilibrium constant etc., of a reaction can be calculated. The balanced chemical equation gives the ratio of reactants involved in the chemical reaction. The elements present on reactant side and product side must be same. The number of atoms present on reactant side must match the number of atoms on product side, thus the mass of reactant undergoing reaction will match the mass of products that comes out.
- A well-balanced chemical equation will obey the "Law of conservation of mass" which states that, "in a closed system, the mass of reactants will be equal to the mass of product. It can neither be created nor be destroyed."
- When a chemical equation is not balanced, "Law of conservation of mass" is not obeyed.
To write: An unbalanced equation for the given reaction.
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Chapter 8 Solutions
Chemistry Atoms First, Second Edition
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- You are tasked with creating a calibration curve for the absorbance of cobalt solutions of various concentrations. You must prepare 5 standards with concentrations between 1.00 mg/L and 10.0 mg/L Co2+. You have a stock solution with a concentration of 40 mg/L Co2+ and all the standard lab glassware including transfer pipets and flasks. Explain how you would make your 5 standard solutions of various concentrations, including what glassware you would use to measure and prepare each solution.arrow_forwardPredict the product and write the mechanism. CH3-CH=CH-CH2-CH3 + NBS- hv CCl4arrow_forwardHow exactly is carbon disulfide used in industry? Specifically, where does it come in during rubber or textile production and what is the chemical processes?arrow_forward
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- In addition to the separation techniques used in this lab (magnetism, evaporation, and filtering), there are other commonly used separation techniques. Some of these techniques are:Distillation – this process is used to separate components that have significantly different boiling points. The solution is heated and the lower boiling point substance is vaporized first. The vapor can be collected and condensed and the component recovered as a pure liquid. If the temperature of the mixture is then raised, the next higher boiling component will come off and be collected. Eventually only non-volatile components will be left in the original solution.Centrifugation – a centrifuge will separate mixtures based on their mass. The mixture is placed in a centrifuge tube which is then spun at a high speed. Heavier components will settle at the bottom of the tube while lighter components will be at the top. This is the technique used to separate red blood cells from blood plasma.Sieving – this is…arrow_forwardBriefly describe a eutectic system.arrow_forward13.53 Draw all stereoisomers formed when each compound is treated with HBr in the presence of peroxides. a. b. C.arrow_forward
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