Calculate the energy change (in kilojoules per mole) for the formation of the following substances from their elements.
CaF2
(The sublimation energy for Ca is +178.2 kJ/mol, Ei1 = +589.8 kJ/mol, Ei2 = +1145kJ/mol, and the lattice energy of CaF2 is 2630 kJ/mol.)
Express the energy change in kilojoules per mole to four significant digits.
Calculate the energy change (in kilojoules per mole) for the formation of the following substances from...
<Chapter 6 Required HW Assignment Problem 6.83 - Enhanced - with Feedback Calculate the energy change (in kilojoules per mole) for the formation of the following substances from their elements. 9 of 12 > Review Constants Periodic Table Part A LiF(s) [The sublimation energy for Li(s) is +159.4 kJ/mol. E; for Li(g) is 520 kJ/mol. E for F(g) is 328 kJ/mol, the bond dissociation energy of F2 (g) is +158 kJ/mol, and the lattice energy of Lif(s) is 1036 kJ/mol]...
Calculate overall energy changes in kilojoules per mole for the formation of SrCl from the elements. The following data are needed: Eea for Cl = −348.6 kJ/mol Ei1 for Sr = +549.5 kJ/mol Ei2 for Sr = +1064 kJ/mol Heat of sublimation for Sr = +164.4 kJ/mol Bond dissociation energy for Cl2 = +243 kJ/mol Lattice energy for SrCl2 = +2142 kJ/mol Lattice energy (estimated) for SrCl = +685 kJ/mol
Calculate the net energy change in kilojoules per mole that takes place on formation of BeF2(s) from the elements: Be(s)+F2(g)⟶BeF2(s) The following information is needed: Heat of sublimation for Be(s)= 325.8 kJ/mol Eea for F(g)= −328 kJ/mol Bond dissociation energy for F2(g)= 158 kJ/mol Ei1 for Be(g)= 899.5 kJ/mol Electrostatic interactions in BeF2(s)= −3505 kJ/mol Ei2 for Be(g)= 1757.1 kJ/mol
Calculate the net energy change in kilojoules per mole for the formation of KF(s) from the elements: K(s) + 1/2 F2(g) \rightarrow→KF(s). The following information is given: Heat of sublimation for K(s) = 89.2 kJ/mol, Eea for F(g) = –328 kJ/mol Bond dissociation energy for F2(g) = 158 kJ/mol, Ei for K(g) = 418.8 kJ/mol Electrostatic interactions in KF(s) = –821 kJ/mol
Given the following information, calculate the lattice energy of CaF2 The enthalpy of formation of CaF2 -1228 kJ/mol Heat of sublimation of Ca 177.8 kJ/mol Bond dissociation energy of F2 159 kJ/mol First ionization energy of Ca 589.8 kJ/mol Second ionization energy of Ca 1145.4 kJ/mol . Electron affinity of F -328 kJ/mot [ Answer : -2644 KJİ I
Can anyone help me with this using the proper steps? Thank you! Use the data given to calculate an overall energy change (in kilojoules per mole) for the formation of RbF2 from its elements. Express your answer to two significant figures and include the appropriate units. The estimated lattice energy for RbF2 is +2522kJ/mol. Eea for F(g)=?328kJ/mol Ei1 for Rb(g)=+403.0kJ/mol Ei2 for Rb(g)=+2633kJ/mol Heat of sublimation for Rb(g)=82.0kJ/mol Bond dissociation energy for F2(g)=+158kJ/mol
Given the following information, construct a Born-Haber cycle to calculate the lattice energy of CaC2(s): Net energy change for the formation of CaC2(s)=−60kJ/mol Heat of sublimation for Ca(s)=+178kJ/mol Ei1 for Ca(g)=+590kJ/mol Ei2 for Ca(g)=+1145kJ/mol Heat of sublimation for C(s)=+717kJ/mol Bond dissociation energy for C2(g)=+614kJ/mol Eea1 for C2(g)=−315kJ/mol Eea2 for C2(g)=+410kJ/mol Express your answer using four sig figs
Calculate the net change in energy in kJ that takes place on formation of 50.44 moles of MgF2(s) from Mg(s) + F2(g) → MgF2(s) given the following information: Heat of sublimation for Mg(s) = 147.7 kJ/mol Bond dissociation energy for F2(g) = 158 kJ/mol Electrostatic interactions in MgF2(s) = -2957 kJ/mol Eea for F(g) = -328 kJ/mol Ei1 for Mg(g) = 737.7 kJ/mol Ei2 for Mg(g) = 1450.7 kJ/mol
Write down the chemical equation for the 2nd ionization (IE2) energy for calcium. Follow the instructions below: Calculate IE2 for calcium using the data listed below. For each data item, write down the chemical equation associated with the process (i.e., that defines the process) - making sure to indicate all phases. In order to show your work, demonstrate, using Hess' law, how you came up with the Born-Haber cycle that lead to the net chemical equation for the IE2 of...
What is the change in energy, ΔE, in kilojoules per mole of hydrogen atoms for an electron transition from n=4 to n=2? Express your answer in kilojoules per mole to three significant figures.