Chemistry Chemistry Practice Problems Solutions Library

Lattice Energy Solutions Library

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81 solutions

Lattice Energy

Q. Given the following thermodynamic data, calculate the lattice energy of CaBr2(s).Express your answer to four significant figures, and include the a...

Solved • Jul 2, 2020

Lattice Energy

Q. Rank the following ionic compounds by the magnitude of their lattice energy.Na2O, Na2S, MgO, BeO, LiClBy convention, the lattice energy is the ener...

Solved • Jul 2, 2020

Lattice Energy

Q. Arrange the following ionic compounds in order of decreasing amount of energy released in lattice formation: NaCl , CaS , TlN , and RbBr .Atoms inv...

Solved • Jul 2, 2020

Lattice Energy

Q. Rank the following compounds from largest to smallest according to their expected magnitude in lattice energy.KBr, KI, CsI, BeO, MgSThe electrostat...

Solved • Jul 2, 2020

Lattice Energy

Q. Consider the lattice energy of any ionic compound. What combination of ions and charges will produce the largest (in magnitude) lattice energies?A)...

Solved • Jul 2, 2020

Lattice Energy

Q. The formation of CsCl from Cs(s) and Cl2 (g) involves the following steps:1. Cs(s) → Cs(g)2. 1/2 Cl2 (g) → Cl(g)3. Cs(g) → Cs+(g) + e−4. Cl(g) + e−...

Solved • Jul 2, 2020

Lattice Energy

Q. The charges and sizes of the ions in an ionic compound affect the strength of the electrostatic attraction holding that compound together. Based on...

Solved • Apr 30, 2020

Lattice Energy

Q. Which would you expect to have a higher melting point: sodium chloride, NaCl, or cesium chloride, CsCI? Why? A. The cesium chloride has a higher me...

Solved • Apr 29, 2020

Lattice Energy

Q. For each pair, choose the compound with the higher lattice energy, and explain your choice:(a) CaO or CaS;(b) BaO or SrO

Solved • Apr 14, 2020

Lattice Energy

Q. The lattice energy of MgCl2 is the energy change for which one of the following processes?a. Mg(s) + Cl2(g) → MgCl2(s)b. Mg(g) + 2Cl(g) → MgCl2(s)c...

Solved • Mar 31, 2020

Lattice Energy

Q. The lattice energy of CaF2 is the energy change for which one, if any, of the following processes?A. Ca2+(s) + 2F-(g) → CaF2(g)B. CaF2(g) → CaF2(s)...

Solved • Mar 30, 2020

Lattice Energy

Q. Which pair of compounds is listed in order of increasing (more exothermic) lattice energy?a) LiF < LiIb) NaCl < KCl c) MgO < CsCld) CaO &l...

Solved • Mar 25, 2020

Lattice Energy

Q. Rank the following charge/distance combinations from lowest energy to highest energy. Your answer should be a four letter "word" made up of the let...

Solved • Mar 17, 2020

Lattice Energy

Q. Which of the following has the lowest melting point?(A) H2O (B) KBr (C) LiF (D) Kr (E) Ne

Solved • Nov 29, 2019

Lattice Energy

Q. Which of the following ionic solids have the largest magnitude lattice energy?A. NaF B. CaCl2 C. CaBr2 D. CaOE. NaCl

Solved • Nov 28, 2019

Lattice Energy

Q. Arrange the following binary ionic compounds in order of decreasing melting point.a. MgS, NaBr, MgBr2b. MgS, MgBr2, NaBrc. NaBr, MgBr2, MgSd. MgBr2...

Solved • Nov 22, 2019

Lattice Energy

Q. The chloride of which of the following metals should have the greatest lattice energy?A) potassiumB) rubidiumC) sodiumD) lithiumE) cesium

Solved • Oct 1, 2019

Lattice Energy

Q. Based on the lattice energy trends, put the following ionic compounds in order from lowest melting point to highest melting point.CaO     MgO     S...

Solved • Sep 30, 2019

Lattice Energy

Q. Which of these ionic solids would have the largest magnitude lattice energy?A. KF      B. CaBr2      C. NaF      D. MgO      E. CaI2

Solved • Sep 18, 2019

Lattice Energy

Q. Of the compounds below, which exhibits the most ionic character?(1) RbCl (2) LiI (3) BF3 (4) ZnCl2 (5) BaI2

Solved • Sep 1, 2019

Lattice Energy

Q. Of the compounds below, __________ has the smallest ionic separation.A) KFB) K2SC) RbClD) SrBr2E) RbF

Solved • Aug 29, 2019

Lattice Energy

Q. Consider two ionic solids, both composed of singly-charged ions, that have different lattice energies.Which solid will be more soluble in water, th...

Solved • Dec 3, 2018

Lattice Energy

Q. The lattice energies of FeCl3, FeCl2, and Fe2O3 are (in no particular order) -2631, -5359, and -14,774 kJ/mol. Match the appropriate formula to eac...

Solved • Nov 27, 2018

Lattice Energy

Q. Rationalize the following lattice energy values:

Solved • Nov 27, 2018

Lattice Energy

Q. Compare the electron affinity of fluorine to the ionization energy of sodium. Does the process of an electron being “pulled” from the sodium atom t...

Solved • Nov 27, 2018

Lattice Energy

Q. Which compound of the following pair of ionic substance has the most negative lattice energy? Justify your answer.c. BaCl2, BaO

Solved • Nov 27, 2018

Lattice Energy

Q. Consider the lattice energies of the following Group 2A compounds: BeH2, 3205 kJ/mol; MgH2, 2791 kJ/mol; CaH2, 2410 kJ/mol; SrH2, 2250 kJ/mol; BaH2...

Solved • Nov 12, 2018

Lattice Energy

Q. Consider the lattice energies of the following Group 2A compounds: BeH2, 3205 kJ/mol; MgH2, 2791 kJ/mol; CaH2, 2410 kJ/mol; SrH2, 2250 kJ/mol; BaH2...

Solved • Nov 12, 2018

Lattice Energy

Q. Consider the lattice energies of the following Group 2A compounds: BeH 2, 3205 kJ/mol; MgH2, 2791 kJ/mol; CaH2, 2410 kJ/mol; SrH2, 2250 kJ/mol; BaH...

Solved • Nov 12, 2018

Lattice Energy

Q. Consider the ionic compounds KF, NaCl, NaBr, and LiCl. Use ionic radii (from the figure below) to estimate the cation–anion distance for each compo...

Solved • Nov 12, 2018

Lattice Energy

Q. Which of the following trends in lattice energy is due to differences in ionic radii?(a) NaCl > RbBr > CsBr(b) BaO > KF(c) SrO > SrCl2

Solved • Nov 12, 2018

Lattice Energy

Q. Would you expect salts like NaCl, which have singly charged ions, to have larger or smaller lattice energies compared to salts like CaO, which are ...

Solved • Nov 12, 2018

Lattice Energy

Q. Periodic trends in lattice energy as a function of cation or anion radius.Using this figure, can you place an upper and lower limit on the lattice ...

Solved • Nov 12, 2018

Lattice Energy

Q. A portion of a two-dimensional "slab" of NaCl(s) is shown here in which the ions are numbered.Consider ion 5. How many repulsive interactions are s...

Solved • Nov 12, 2018

Lattice Energy

Q. A portion of a two-dimensional "slab" of NaCl(s) is shown here in which the ions are numbered.If this pattern of ions was extended indefinitely in ...

Solved • Nov 12, 2018

Lattice Energy

Q. An ionic substance of formula MX has a lattice energy of 6 x 103 kJ/mol. Is the charge on the ion M likely to be 1+, 2+ or 3+?

Solved • Nov 12, 2018

Lattice Energy

Q. Based on the lattice energies of MgCl2 and SrCl2 given in Table 8.1 in the textbook, what is the range of values that you would expect for the latt...

Solved • Nov 12, 2018

Lattice Energy

Q. Which compound has a higher magnitude lattice energy: NaCl or MgCl2?

Solved • Nov 12, 2018

Lattice Energy

Q. Arrange these compounds in order of increasing magnitude of lattice energy: KCl, SrO, RbBr, CaO.

Solved • Nov 12, 2018

Lattice Energy

Q. Which compound has the highest magnitude of lattice energy?a) MgSb) CaSc) SrSd) BaS

Solved • Nov 12, 2018

Lattice Energy

Q. Which set of compounds is arranged in order of increasing magnitude of lattice energy?a) CsI < NaCl < MgSb) NaCl < CsI < MgSc) MgS <...

Solved • Nov 12, 2018

Lattice Energy

Q. The reaction of Fe2O3(s) with Al(s) to form Al2O3(s) and Fe(s) is called the thermite reaction and is highly exothermic.What role does lattice ener...

Solved • Nov 12, 2018

Lattice Energy

Q. Rubidium iodide has a lattice energy of -617 kJ/mol, while potassium bromide has a lattice energy of -671 kJ/mol.Why is the lattice energy of potas...

Solved • Nov 12, 2018

Lattice Energy

Q. The lattice energy of CsF is -744 kJ/mol, whereas that of BaO is -3029 kJ/mol. Explain this large difference in lattice energy.

Solved • Nov 12, 2018

Lattice Energy

Q. Consider the following trend in the lattice energies of the alkaline earth metal oxides:Metal OxideLattice Energy (kJ/mol)MgO-3795CaO-3414SrO-3217B...

Solved • Nov 12, 2018

Lattice Energy

Q. Although Al(OH)3 is insoluble in water, NaOH is very soluble. Explain in terms of lattice energies.

Solved • Oct 29, 2018

Lattice Energy

Q. Geologists have a rule of thumb: when molten rock cools and solidifies, crystals of compounds with the smallest lattice energies appear at the bott...

Solved • Oct 23, 2018

Lattice Energy

Q. Aluminum oxide (Al2O3) is a widely used industrial abrasive (known as emery or corundum), for which the specific application depends on the hardnes...

Solved • Oct 23, 2018

Lattice Energy

Q. For the following pair, choose the compound with the larger lattice energy, and explain your choice:CaO or CaS

Solved • Oct 23, 2018

Lattice Energy

Q. The lattice energy of KF is 794 kJ/mol, and the interionic distance is 269 pm. The Na–F distance in NaF, which has the same structure as KF, is 231...

Solved • Oct 22, 2018

Lattice Energy

Q. Which of the following compounds requires the most energy to convert one mole of the solid into separate ions?(a) K2S(b) K2O(c) CaS(d) Cs2S(e) CaO

Solved • Oct 22, 2018

Lattice Energy

Q. Which compound in each of the following pairs has the larger lattice energy? Note: Mg2+ and Li+ have similar radii; O2– and F– have similar radii. ...

Solved • Oct 22, 2018

Lattice Energy

Q. The lattice energy of LiF is 1023 kJ/mol, and the Li–F distance is 200.8 pm. NaF crystallizes in the same structure as LiF but with a Na–F distance...

Solved • Oct 22, 2018

Lattice Energy

Q. From the following ions (with their radii in pm), choose the pair that forms the strongest ionic bond and the pair that forms the weakest:Ion:     ...

Solved • Oct 12, 2018

Lattice Energy

Q. Place the following in order of Increasing magnitude of lattice energy.MgO NaI BaOa. Nal < MgO < BaOb.  MgO < Nal < BaOc. MgO < BaO ...

Solved • Jul 31, 2018

Lattice Energy

Q. Which of the following statements concerning lattice energy is false?a. The lattice energy for a solid with 2+ and 2- ions should be two times that...

Solved • Mar 30, 2018

Lattice Energy

Q. Rank the following ionic compounds by the magnitude of their lattice energy. Rank from highest to lowest magnitude of lattice energy.LiCl, MgO, Na2...

Solved • Feb 19, 2018

Lattice Energy

Q. Rank the compounds in order of decreasing magnitude of lattice energy. From Largest to Smallest BaO, KCl, CaO, RbBr

Solved • Jan 5, 2018

Lattice Energy

Q. A) Arrange the following substances in order of decreasing magnitude of lattice energy.CaO, NaF, SrO, KClRank from largest to smallest magnitude of...

Solved • Jan 4, 2018

Lattice Energy

Q. Consider the following ionic substances and arrange them in order of decreasing lattice energy. MgCl2            CaCl 2            MgF 2 A.  MgF2...

Solved • Aug 17, 2017

Lattice Energy

Q. Which of the following has the highest melting point?RbFKIKFKBrKCl

Solved • Jul 10, 2017

Lattice Energy

Q. Which of the following has the highest lattice energy?NaClKIMgOBaOCaO

Solved • Jul 10, 2017

Lattice Energy

Q. The solubilities of NaF and NaCl in water at 25°C are approximately 360 g/L H 2O and 80 g/L H2O respectively. Based on this information, which comp...

Solved • Dec 14, 2016

Lattice Energy

Q. If the following crystallize in the same type of structure, which has the highest lattice energy? 1. KF 2. KBr 3. KCl 4. LiF 5. LiCl

Solved • Oct 18, 2016

Lattice Energy

Q. The lattice energy of calcium bromide is the energy change for the reaction 1. CaBr2(s) → Ca(g) + 2 Br(g) 2. Ca(s) + Br2(ℓ) → CaBr 2(s) 3. Ca(g)...

Solved • Oct 18, 2016

Lattice Energy

Q. Which of the following reactions is associated with the  lattice energy of Li2O (ΔH°latt)? a) Li2O (s)  →  2 Li+ (g) + O2- (g) b) 2 Li+ (aq) + O2...

Solved • Oct 12, 2016

Lattice Energy

Q. Choose the compound below that should have the highest melting or boiling point according to the ionic bonding model. AIN                         ...

Solved • May 26, 2016

Lattice Energy

Q. Which metal has the lowest melting point?a) Lib) Nac) Kd) Rb

Solved • Apr 22, 2016

Lattice Energy

Q. Choose the situation below that would result in an exothermic ΔH solution. A) When |ΔHlattice| is close to |ΔH hydration| B) When |ΔHsolvent | &g...

Solved • Apr 11, 2016

Lattice Energy

Q. Which of the following ionic bonds will have the greatest attraction? A. BeCl2 B. MgCl2 C. SrCl2 D. BaCl2

Solved • Mar 16, 2016

Lattice Energy

Q. Which is a FALSE statement? (A) The lattice energy of LiCl has a larger magnitude than that of NaCl. (B) The lattice energy of CaO has a larger m...

Solved • Mar 11, 2016

Lattice Energy

Q. Rank this series of ionic compounds from smallest to largest magnitude (most exothermic) lattice energy:  NaCl         MgO        CaO       Al  2O3...

Solved • Mar 10, 2016

Lattice Energy

Q. The lattice energy for ionic crystals decreases as the charge on the ions _____________ and the size of the ions __________________.  (a) increase...

Solved • Mar 9, 2016

Lattice Energy

Q. Which of the following compounds would be expected to have the greatest lattice energy? a) SrO b) CsI c) NaBr d) MgO e) BaS

Solved • Mar 4, 2016

Lattice Energy

Q. Which of the following solids would have the highest melting point? 1) NaI 2) NaF 3) MgO 4) MgCl2 5) KF

Solved • Mar 1, 2016

Lattice Energy

Q. The lattice enthalpy of calcium oxide is the energy change for the reaction 1. CaO(s) → Ca(g) + ½ O2(g) 2. Ca(g) + ½ O2(g) → CaO(s) 3. Ca(g) + O...

Solved • Feb 17, 2016

Lattice Energy

Q. Which of the following would have the highest melting point? 1. KF 2. KBr 3. Kl 4. KCl 5. RbF

Solved • Feb 17, 2016

Lattice Energy

Q. Which of the following compounds is expected to have the strongest ionic bond? a. MgO b. KBr c. NaI d. SrO e. CaS

Solved • Feb 17, 2016

Lattice Energy

Q. Place the following in order of decreasing magnitude of lattice energy. KCl        MgO       RbI a. RbI > KCl > MgO b. RbI > MgO > K...

Solved • Feb 17, 2016

Lattice Energy

Q. Which statement is a FALSE statement? a. The lattice energy of LiCl has a larger magnitude than that of NaCl. b. The lattice energy of CaO has a ...

Solved • Feb 17, 2016

Lattice Energy

Q. Predict the reaction associated with lattice energy, ΔHlat of BaS.

Solved • Feb 2, 2016