resulting in NH4+ (i.e. write out the reaction using Lewis structures). Why is it tough to recognize the coordinate covalent bond in NH4+? What is one way to recognize that something has a coordinate covalent compound? Why are they so

Q: What is a Lewis dot symbol? To what elements does the symbol mainly apply?

A:

Q: The following compounds all display the NaCl structure. (i.e. They are isomorphous.)   For each…

A: Lattice energy of an ionic solid is the amount of energy required for conversion of one mole of an…

Q: 7. Dinitrogen monoxide, N2O, can decompose to nitrogen and oxygen gas: 2 N20(g) → 2 N2(g) + O2(g)…

A: Given reaction2 N2O → 2 N2  + 1 O2Enthalpy change for this reaction = To be determined

Q: Determine the number of bonding electrons and the number of nonbonding electrons in the structure…

A: Lewis Structure represent how the electrons are arranged around the atoms in a molecule.

Q: The enthalpy change for the reaction between two molecules of carbon oxysulfide (COS) to form one…

A: Enthalpy change= -3.2* 10-24 KJ Convert KJ to KJ/mol = -3.2* 10-24 * 2* 6.023* 1023 = - 3.85472…

Q: Rank the following ionic compounds in order of lattice energy, from least exothermic to most…

A: Lesser the ionic- radii of cation and larger the charge on cation makes the compound most…

Q: Draw the Lewis structure (with formal charges) of the chemical species: 1. CINO2 (N is the central…

A:

Q: The following Lewis representation depicts a reaction between two atoms of a group and one atom of a…

A: Answer: When an atom loses the electron it forms positively charged ion then positive ion is called…

Q: Use the References to access important values if needed for this question. Use average bond…

A: Enthalpy change

Q: Using some of the bond energies, calculate AH(in kJ) for the following reaction: CH4 (g) + 202(g) →…

A: Given, CH4(g) + 2O2(g) → CO2(g) + 2H2O(g) Enthalpy change for the reaction (∆Hrxn) = ? Bonds bond…

Q: Draw the lewis structure with formal charges. If the lewis structure has resonance please show all…

A:

Q: Draw the correct Lewis structures to determine the bonding structure. Calculate the enthalpy change…

A: Given: CO (g) + 2H2 (g) →CH3OH (g)

Q: 3. Calculate AH°rxn for the following reactions in two ways. First, estimate the enthalpy change for…

A: Enthalpy of the reaction = Enthalpy of products - Enthalpy of reactants  Enthalpy of reaction =…

Q: . Predicting Chemical Products Directions: The following pairs of atoms form ionic or covalent…

A:

Q: One of the compounds discovered on the surface of Mars in our search for the possibility of life on…

A: Here we have to draw lewis structure of C2H4 and determine is it ionic or covalent.

Q: Identify the compound with the highest magnitude of lattice energy.   CsCl2   MgCl2   SrCl2   BaCl2

A: Identify the compound with the highest magnitude of lattice energy.  CsCl2  MgCl2  SrCl2  BaCl2

Q: Predicting the relative lattice energy of binary ionic compounds In each row, pick the compound with…

A:

Q: Part A Use average bond energies together with the standard enthalpy of formation of C(g) (718.4…

A:

Q: 1) What do you predict the average bond length and average bond energy values for the F-F bond based…

A: 1) Given, average bond length and average bond energies of Cl-Cl bond, Br-Br bond and I-I bond are:…

Q: Use the References to access important values if needed for this question. Use average bond…

A: Enthalpy change

Q: Using the information provided in the equations and constants sheet, calculate the energy the…

A: Bond energy: It can be defined as the total amount of energy needed in a chemical reaction for the…

Q: The following Lewis representation depicts a reaction between one atom of a group metal and one atom…

A: The number of valence electrons indicates the group number. If the elements are from s-block, then…

Q: Use the bond energies to estimate the enthalpy change, AH°, for the reaction нн H -¢ -C -H (g) Cl-…

A:

Q: a) Which of the following ionic compounds has the largest lattice energy? (Hint: You might want to…

A: Lattice energy : It is the amount of energy released when one mole of a crystalline ionic compound…

Q: What is the bond enthalpy for HF?

A: Given : reactions and their enthalpy change.

Q: The entha

A: The chemical reaction : CH4 (g) + Cl2(g)  ---->  CH3Cl(g) + HCl (g).…

Q: Use bond energies (see table) to predict AH for the formation of HCI gas. H2(g) + Cl2(9) → 2 HCl(g)…

A: The objective of the question is to calculate the enthalpy change (ΔH) for the formation of HCl gas…

Q: Which of the following ionic compounds would be expected to have the highest lattice energy? RbBr,…

A: The objective of the question is to determine which of the given ionic compounds would have the…

Q: Draw the Lewis structure of CF₃CH₂OH.

A: Lewis Dot structures is the representation of the valence electrons of the atom. Total number of…

Q: How many covalent bonds and how many ionic bonds are there in the molecular structures below? Please…

A: Ionic bonds are those bonds which are made between the metal and non-metals by thee transfer of…

Q: pick the compound with the bigger lattice energy.

A:

Q: The average bond enthalpy for C−H is 413 kJ/mol. 413 kJ of energy is required to break a mole of CH…

A: the given reaction is  C6H6(g)→6CH(g) also CH(g)→C(g)+H(g)      ∆H=413KJ

Q: Use average bond enthalpies (linked above) to calculate the enthalpy change for the following…

A: Change in enthalpy of rection at constant temperature is called heat of reaction.

Q: Write the Lewis symbols that represent the ions in ionic compound. K2O

A: The ions in the above compound would be K+ and the O2- The Lewis symbols of the ions in the given…

Actinides

The elements in which the extra electron tends to enter the 5f-orbitals of (n–2)th main shell are considered 5f-block elements. They are also named actinides. Actinides include 15 elements, from atomic number 89 to 103.