Concept explainers
(a)
Interpretation:
To draw the Lewis structure of
Concept introduction:
• Lewis structures are the diagrams that show the bonding between the atoms of the molecules and existing lone pairs of electrons.
• Bonding electrons are those electrons which are shared between the atoms resulting in the formation of bond.
• Non-bonding electrons are the valence electrons of the atom which are not shared with another atom.
(b)
Interpretation:
To draw the Lewis structure of
Concept introduction:
• Lewis structures are the diagrams that show the bonding between the atoms of the molecules and existing lone pairs of electrons.
• Bonding electrons are those electrons which are shared between the atoms resulting in the formation of bond.
• Non-bonding electrons are the valence electrons of the atom which are not shared with another atom.
(c)
Interpretation:
To draw the Lewis structure of
Concept introduction:
• Lewis structures are the diagrams that show the bonding between the atoms of the molecules and existing lone pairs of electrons.
• Bonding electrons are those electrons which are shared between the atoms resulting in the formation of bond.
• Non-bonding electrons are the valence electrons of the atom which are not shared with another atom.
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Chapter 21 Solutions
Chemistry: Principles and Reactions
- Which statement about the properties of barium chloric and mercury(II) chloride is correct? (A) BaCl₂ has a higher melting point than HgCl₂. (B) BaCl₂ has a higher solubility in nonpolar solvents than HgCl₂. (C) BaCl₂ has a higher vapor pressure than HgCl₂. (D) Molten BaCl₂ has a lower electrical conductivity than molten HgCl2.arrow_forwardMagnesium reacts with oxygen to form magnesium oxide according to the following reaction: 2 Mg + O2 2M9O (a) What is the oxidation state of magnesium in Mg? (b) What is the oxidation state of magnesium in MgO? (c) Which species is oxidized? (d) Which species is reduced? (e) Name the oxidizing agent.arrow_forwardAmmonium dihydrogen phosphate, formed from thereaction of phosphoric acid with ammonia, is used as a cropfertilizer as well as a component of some fire extinguishers. (a) What are the mass percentages of N and P in the com-pound? (b) How much ammonia is incorporated into 100. g ofcompound?arrow_forward
- Phosphoric acid, one of the acids used in some cola drinks, is produced by the reaction of phosphorus(V) oxide, an acidic oxide, with water. Phosphorus(V) oxide is prepared by the combustion of phosphorus.(a) Write the empirical formula of phosphorus(V) oxide.(b) What is the molecular formula of phosphorus(V) oxide if the molar mass is about 280.(c) Write balanced equations for the production of phosphorus(V) oxide and phosphoric acid.(d) Determine the mass of phosphorus required to make 1.00 × 104 kg of phosphoric acid, assuming a yield of 98.85%.arrow_forwarda)Sodium thiosulfate, Na2S2O3, is used as a fixative in photography. What is the oxidation number of each of the elements in sodium thiosulfate (NOTE – the two sulfur atoms do not have the same oxidation state)?b)What is the oxidization number of Co in K3(CoF6)arrow_forwardWhat is the oxidation state of H in N2H4?arrow_forward
- If C,H4 was converted into C,H4C1, in a reaction, then was the C2H4 oxidized or reduced? Explain your answer using oxidation states. You do not have to draw Lewis structures of the compounds to answer this question. (5) EN Values: H= 2.1; C= 2.5; CI = 3.0arrow_forwardgive the balanced equation for the combustion of liquid hexane (C6H14) in the presence of oxygen gasarrow_forwarda) the foul odor of rancid butter is due largely to butanoic acid, a compound contaning oxygen, hyrdrogen and carbon. Combustion analysis of a 4.30g sample of butyric acid produced 8.59g CO2 and 3.52 g H2O. Determine the empircal formula for butyric acid. b) a colourless liquid has a composition of 84.1% carbon and 15.9% hydorgen by mass. Determine the empirical formula. Also, assuming the molar mass of this compound is 114.2 g/mol, determine the molecular formula of this compound.arrow_forward
- Write the empirical formula of the compound formed by (a) Al3+ and Cl - ions, (b) Al 3+ and O2 - ions, (c) Mg2+ and NO3 ions.arrow_forwardComplete and balance the following equations: (a) NaOCH3(8) + H2O(I) (b) CuO(s) + HNO;(aq) (c) WO;(s) + H2(8) (d) NH,OH(I) + O,(8) (e) Al,C3(s) + H,0(1)arrow_forwardComplete and balance the following acid-base equations:(a) A solution of HClO4 is added to a solution of LiOH.(b) Aqueous H2SO4 reacts with NaOH.(c) Ba(OH)2 reacts with HF gas.arrow_forward
- Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning