
Concept explainers
(a)
Interpretation:
To balance the given chemical equation.
Concept Introduction:
Balancing a chemical equation is important to make the equation follow the conservation mass of law. The atoms in the

Answer to Problem 73AP
Explanation of Solution
The given equation is,
The equation is not balanced as there are two chlorine atoms in the reactant side and product has only one. The reactant side has one bromine and the product side has two bromine. This unbalanced equation is balanced by multiplying two to the potassium bromide on the reactant side and 2 on the product side of potassium chloride.
The balanced equation is given as,
(b)
Interpretation:
To balance the given chemical equation.
Concept Introduction:
Balancing a chemical equation is important to make the equation follow the conservation mass of law. The atoms in the chemical reaction from the reactant side is equal to the atoms in the product side.

Answer to Problem 73AP
The balanced equation is
Explanation of Solution
The given equation is,
The equation is unbalanced with 2 oxygen atoms on the reactant and three on the product. To balance 4 is multiplied to the chromium and three with oxygen on the reactant side. On the product side two is multiplied to chromium oxide.
The balanced equation is
(c)
Interpretation:
To balance the given chemical equation.
Concept Introduction:
Balancing a chemical equation is important to make the equation follow the conservation mass of law. The atoms in the chemical reaction from the reactant side is equal to the atoms in the product side.

Answer to Problem 73AP
Explanation of Solution
The given equation is,
The unbalanced side has two hydrogen and four phosphorous that is giving one molecule of phosphorous and three hydrogen. In order to balance the equation, 6 is multiplied by hydrogen on the reactant and four is multiplied on the product side.
The balanced equation is,
(d)
Interpretation:
To balance the given chemical equation.
Concept Introduction:
Balancing a chemical equation is important to make the equation follow the conservation mass of law. The atoms in the chemical reaction from the reactant side is equal to the atoms in the product side.

Answer to Problem 73AP
Explanation of Solution
The given equation is,
The unbalance equation has 1 aluminum and 4 molecules of oxygen on the reactant and has 12 molecules of oxygen on the product side. To balance 2 is multiplied to the aluminum and 3 is multiplied to the sulphuric acid on the reactant and 3 is multiplied to the hydrogen on the reactant side.
The balanced equation is,
(e)
Interpretation:
To balance the given chemical equation.
Concept Introduction:
Balancing a chemical equation is important to make the equation follow the conservation mass of law. The atoms in the chemical reaction from the reactant side is equal to the atoms in the product side.

Answer to Problem 73AP
Explanation of Solution
The given equation is,
The unbalance equation has 3 molecules of chlorine and two molecules of hydrogen on the reactant side and 4 molecules of hydrogen, three molecules of oxygen on the product side. To balance the equation 3 is multiplied to the water molecules on the reactant side and three is multiplied to the hydrogen chloride on the product side.
The balanced equation is,
(f)
Interpretation:
To balance the given chemical equation.
Concept Introduction:
Balancing a chemical equation is important to make the equation follow the conservation mass of law. The atoms in the chemical reaction from the reactant side is equal to the atoms in the product side.

Answer to Problem 73AP
Explanation of Solution
The given equation is,
The unbalanced equation is balanced by multiplying two on both the product and the reactant side of sulphur dioxide and sulphur trioxide.
The balanced equation is,
(g)
Interpretation:
To balance the given chemical equation.
Concept Introduction:
Balancing a chemical equation is important to make the equation follow the conservation mass of law. The atoms in the chemical reaction from the reactant side is equal to the atoms in the product side.

Answer to Problem 73AP
Explanation of Solution
The given equation is,
The equation is unbalanced with the 7 carbon molecules on the reactant and one carbon molecules on the product side. It is balanced by multiplying 11 to the oxygen on reactant side and multiplied 7 on the carbon di oxide and 8 to the water molecules on the product side.
The balanced equation is,
(h)
Interpretation:
To balance the given chemical equation.
Concept Introduction:
Balancing a chemical equation is important to make the equation follow the conservation mass of law. The atoms in the chemical reaction from the reactant side is equal to the atoms in the product side.

Answer to Problem 73AP
Explanation of Solution
The given equation is,
The equation is unbalanced by having 6 molecules of hydrogen and 2 molecules of oxygen on the reactant side and three oxygen along with 2 molecules of hydrogen on the product side. The equation is balanced by multiplying two on the ethane and 7 on the oxygen in the reactant side. 4 is multiplied on the carbon dioxide and 6ismultiplied on the water molecules of the product side.
The balanced equation is,
Want to see more full solutions like this?
Chapter 6 Solutions
Introductory Chemistry: A Foundation
- Identify and provide a concise explanation of a specific analytical instrument capable of detecting and quantifying trace compounds in food samples. Emphasise the instrumental capabilities relevant to trace compound analysis in the nominated food. Include the specific application name (eg: identification and quantification of mercury in salmon), outline a brief description of sample preparation procedures, and provide a summary of the obtained results from the analytical process.arrow_forwardIdentify and provide an explanation of what 'Seperation Science' is. Also describe its importance with the respect to the chemical analysis of food. Provide specific examples.arrow_forward5. Propose a Synthesis for the molecule below. You may use any starting materials containing 6 carbons or less (reagents that aren't incorporated into the final molecule such as PhзP do not count towards this total, and the starting material can have whatever non-carbon functional groups you want), and any of the reactions you have learned so far in organic chemistry I, II, and III. Your final answer should show each step separately, with intermediates and conditions clearly drawn. H3C CH3arrow_forward
- State the name and condensed formula of isooxazole obtained by reacting acetylacetone and hydroxylamine.arrow_forwardState the name and condensed formula of the isothiazole obtained by reacting acetylacetone and thiosemicarbazide.arrow_forwardProvide the semi-developed formula of isooxazole obtained by reacting acetylacetone and hydroxylamine.arrow_forward
- Given a 1,3-dicarbonyl compound (R1-CO-CH2-CO-R2), indicate the formula of the compound obtaineda) if I add hydroxylamine (NH2OH) to give an isooxazole.b) if I add thiosemicarbazide (NH2-CO-NH-NH2) to give an isothiazole.arrow_forwardAn orange laser has a wavelength of 610 nm. What is the energy of this light?arrow_forwardThe molar absorptivity of a protein in water at 280 nm can be estimated within ~5-10% from its content of the amino acids tyrosine and tryptophan and from the number of disulfide linkages (R-S-S-R) between cysteine residues: Ε280 nm (M-1 cm-1) ≈ 5500 nTrp + 1490 nTyr + 125 nS-S where nTrp is the number of tryptophans, nTyr is the number of tyrosines, and nS-S is the number of disulfide linkages. The protein human serum transferrin has 678 amino acids including 8 tryptophans, 26 tyrosines, and 19 disulfide linkages. The molecular mass of the most dominant for is 79550. Predict the molar absorptivity of transferrin. Predict the absorbance of a solution that’s 1.000 g/L transferrin in a 1.000-cm-pathlength cuvet. Estimate the g/L of a transferrin solution with an absorbance of 1.50 at 280 nm.arrow_forward
- In GC, what order will the following molecules elute from the column? CH3OCH3, CH3CH2OH, C3H8, C4H10arrow_forwardBeer’s Law is A = εbc, where A is absorbance, ε is the molar absorptivity (which is specific to the compound and wavelength in the measurement), and c is concentration. The absorbance of a 2.31 × 10-5 M solution of a compound is 0.822 at a wavelength of 266 nm in a 1.00-cm cell. Calculate the molar absorptivity at 266 nm.arrow_forwardHow to calculate % of unknown solution using line of best fit y=0.1227x + 0.0292 (y=2.244)arrow_forward
- General Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning





