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Chapter 7: Problem 67

Write balanced equations for the following reactions: (a) barium oxide with water, (b) iron(II) oxide with perchloric acid, (c) sulfur trioxide with water, (d) carbon dioxide with aqueous sodium hydroxide.

Short Answer

Expert verified
(a) BaO + H2O -> Ba(OH)2 (b) FeO + 2HClO4 -> Fe(ClO4)2 + H2O (c) SO3 + H2O -> H2SO4 (d) CO2 + 2NaOH -> Na2CO3 + H2O

Step by step solution

01

(a) Barium oxide with water

To write the balanced equation for the reaction between barium oxide (BaO) and water (H2O), we first predict the products. In this case, the reaction forms barium hydroxide (Ba(OH)2). Now, let's balance the equation: BaO + H2O -> Ba(OH)2 Looking at the equation, we can see that it is already balanced.
02

(b) Iron(II) oxide with perchloric acid

Now, let's write the balanced equation for the reaction between iron(II) oxide (FeO) and perchloric acid (HClO4). Iron(II) oxide reacts with perchloric acid to form iron(II) perchlorate (Fe(ClO4)2) and water (H2O). The unbalanced equation looks like this: FeO + HClO4 -> Fe(ClO4)2 + H2O To balance the equation, we need 2 molecules of HClO4: FeO + 2HClO4 -> Fe(ClO4)2 + H2O The balanced equation for this reaction is: FeO + 2HClO4 -> Fe(ClO4)2 + H2O
03

(c) Sulfur trioxide with water

Now, let's write the balanced equation for the reaction between sulfur trioxide (SO3) and water (H2O). The products of this reaction are sulfuric acid (H2SO4). The unbalanced equation looks like this: SO3 + H2O -> H2SO4 The equation is already balanced.
04

(d) Carbon dioxide with aqueous sodium hydroxide

Finally, let's write the balanced equation for the reaction between carbon dioxide (CO2) and aqueous sodium hydroxide (NaOH). Carbon dioxide reacts with sodium hydroxide to form sodium carbonate (Na2CO3) and water (H2O). The unbalanced equation looks like this: CO2 + NaOH -> Na2CO3 + H2O To balance the equation, we need 2 molecules of NaOH: CO2 + 2NaOH -> Na2CO3 + H2O The balanced equation for this reaction is: CO2 + 2NaOH -> Na2CO3 + H2O

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Most popular questions from this chapter

An element \(X\) reacts with \(\mathrm{F}_{2}(g)\) to form the molecular product shown below. (a) Write a balanced equation for this reaction (do not worry about the phases for \(X\) and the product). (b) Do you think that \(X\) is a metal or nonmetal? Explain. [Section 7.6]

For each of the following pairs, which element will have the greater metallic character: (a) Li or Be, (b) Li or Na, (c) Sn or \(\mathrm{P}_{\text {, }}\) (d) \(\mathrm{Al}\) or \(\mathrm{B}\) ?

Make a simple sketch of the shape of the main part of the periodic table, as shown (a) Ignoring \(\mathrm{H}\) and \(\mathrm{He}\), write a single straight arrow from the element with the smallest bonding atomic radius to the element with the largest. (b) Ignoring \(\mathrm{H}\) and \(\mathrm{He}\), write a single straight arrow from the element with the smallest first ionization energy to the element with the largest. (c) What significant observation can you make from the arrows you drew in parts (a) and (b)? [Sections \(7.3\) and 7.4]

(a) Why does the quantum mechanical description of many-electron atoms make it difficult to define a precise atomic radius? (b) When nonbonded atoms come up against one another, what determines how closely the nuclear centers can approach?

The experimental \(\mathrm{Bi}-\mathrm{I}\) bond length in bismuth triiodide, \(\mathrm{BiI}_{3}\), is \(2.81 \AA\). Based on this value and data in Figure \(7.7\), predict the atomic radius of \(B\) i.
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