The microwave spectrum of
a.Calculate the bond length of
b.Calculate the frequency of radiation absorbed in arotational transition from the second to the thirdexcited state of
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Chemical Principles
- The average bond enthalpies of the C¬F and C¬Cl bonds are 485 kJ/mol and 328 kJ/mol, respectively. (a) What is the maximum wavelength that a photon can possess and still have sufficient energy to break the C ¬ F and C ¬ Clbonds, respectively?arrow_forwardWrite the electron configurations for (a) Ca2+, (b) Co3+, and (c) S2-.arrow_forwardWhich of the following represent configurations of indium ions in compounds? Explain your decision in each ease. a In4+ [Kr]4d9 b In+ [Kr]4d10 5s2 c In3+ [Kr]4d10 d In [Kr]4d10 5s1arrow_forward
- As the bead engineer of your starship in charge of the warp drive, you notice that the supply of dilithium is critically low. While searching for a replacement fuel, you discover some diboron, B2. a. What is the bond order in Li2 and B2? b. How many electrons must be removed from B2 to make it isoelectronic with Li2 so that it might be used in the warp drive? c. The reaction to make B2 isoelectroruc with Li2 is generalized (where n = number of electrons determined in part b) as follows: B2B2n++neE=6455kJ/mol How much energy is needed to ionize 1.5 kg B2 to lhe desired isoelectroruc species?arrow_forwardLight of appropriate wavelength can break chemical bonds. Light having λ < 240 nm can dissociate gaseous O2. It requires light with λ < 819 nm to dissociate gaseous H2O2 to 2 OH. Assume that all of the photon energy is used solely for these dissociations. (a) Calculate the energy required to dissociate (i) O2 and (ii) H2O2. (b) Consider the results of part (a). How well do they correlate with the Lewis structures of O2 and H2O2? Explain your answer.arrow_forwardThe bond length in HI(1.62) is close to the sum of the atomic radii of H (0.37 Å) and I (1.33 Å). What does this fact indicate about the polarity of the bond?arrow_forward
- a) what is meant by the term polarizability? (b) Which of the following atoms would you expect to be most polarizable: O, S, Se, or Te? Explain.arrow_forward(a) What does the term paramagnetism mean? (b) How can onedetermine experimentally whether a substance is paramagnetic?(c) Which of the following ions would you expect to beparamagnetic: O2+ , N22 -, Li2+ , O22 - ? For those ions that areparamagnetic, determine the number of unpaired electrons.arrow_forward
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