Concept explainers
(a)
Interpretation:
Balanced equations for the given set of reactions have to be given.
Concept introduction:
Balanced equation: In a
To balance: The reaction of sulfuric acid with
(b)
Interpretation:
Balanced equations for the given set of reactions have to be given.
Concept introduction:
Balanced equation: In a chemical reaction, the overall mass of the starting materials should be equal to the overall mass of the products. This is governed by the law of conservation of mass.
To balance: The reaction of sulfuric acid with
(c)
Interpretation:
Balanced equations for the given set of reactions have to be given.
Concept introduction:
Balanced equation: In a chemical reaction, the overall mass of the starting materials should be equal to the overall mass of the products. This is governed by the law of conservation of mass.
To balance: The reaction of sulfuric acid with
(d)
Interpretation:
Balanced equations for the given set of reactions have to be given.
Concept introduction:
Balanced equation: In a chemical reaction, the overall mass of the starting materials should be equal to the overall mass of the products. This is governed by the law of conservation of mass.
To balance: The reaction of sulfuric acid with
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Chemistry: Atoms First
- Write two balanced chemical equations in which sulfuric acid acts as an oxidizing agent.arrow_forwardWrite balanced equations for the following reactions: a. The decomposition of dinitrogen oxide gas to its elements. b. The combustion of butane gas.arrow_forwardCompounds such as NaBH4, Al(BH4)3, and LiAlH4 are complex hydrides used as reducing agents in many syntheses. (a) Give the oxidation state of each element in these compounds. (b) Write a Lewis structure for the polyatomic anion in NaBH4, and predict its shape.arrow_forward
- (a) What is the range of oxidation states shown by the elements of Group 5A(15) as you move down the group? (b) How does this range illustrate the general rule for the range of oxidation states in groups on the right side of the periodic table?arrow_forwardDiiodine pentaoxide (I₂O₅) was discovered by JosephGay-Lussac in 1813, but its structure was unknown until 1970!Like Cl₂O₇, it can be prepared by the dehydration-condensationof the corresponding oxoacid.(a) Name the precursor oxoacid, write a reaction for formation ofthe oxide, and draw a likely Lewis structure.(b) Data show that the bonds to the terminal O are shorter than the bonds to the bridging O. Why?(c) I₂O₅ is one of the few chemicals that can oxidize CO rapidly and completely; elemental iodine forms in the process. Write abalanced equation for this reaction.arrow_forwardBoron is an anomaly in Group 13 in that it forms covalent compounds rather than ionic Suggest an explanation for this divergent behavior.arrow_forward
- Write balanced equations for the following reactions:(a) potassium oxide with water, (b) diphosphorus trioxidewith water, (c) chromium(III) oxide with dilute hydrochloricacid, (d) selenium dioxide with aqueous potassium hydroxide.arrow_forwardIonic hydrides are primarily compounds of hydrogen and nonmetals, in which the bonds are evidently electron pairs shared by atoms of comparable electronegativities.arrow_forwardWhy are the lanthanoid elements not found in nature in their elemental forms?arrow_forward
- How many grams of oxygen gas are necessary to react completely with 3.011021 atoms of magnesium to yield magnesium oxide?arrow_forwardThe reaction of calcium hydride, CaH2, with water can be characterized as a Lewis acid-base reaction: CaH2(s)+2H2O(l)Ca(OH)2(aq)+2H2(g) Identify the Lewis acid and the Lewis base among the reactants. The reaction is also an oxidation-reduction reaction. Identify the oxidizing agent, the reducing agent, and the changes in oxidation number that occur in the reaction.arrow_forwardIf ℓ=3,ℓ=3, what can be deduced about ??arrow_forward
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