28. Which of the following equations corresponds to the second ionization of magnesiun? (a) Mg(g)-? Mg+(g)...
Which of the following reactions corresponds to the SECOND IONIZATION ENERGY of Strontium (Sr)? Sr (g) Srt (g) + e Srt (g) Sr2+ (g) +e- o Sr (g) + → Sr (g) o Sr. (g) + e Sr2- (g) o Sr2+ (g) +e Srt (g)
Which one of the following chemical equations refers to the second ionization of Al? A) Al(s) + 2e– –––> Al2–(s) B) Al+(g) –––> Al2+(g) + e– C) Al(g) –––> Al2+(g) + 2e– D) Al(s) –––> Al+(s) + e– E) Al2+(g) + e– –––> Al+(g)
7.90 Rank the following elements in order of increasing ionization energy: Mg, P. O. 7.91 Use electron configurations to explain why more energy is required to remove an electron from a lithium atom than from a sodium atom. 7.93 Use electron configurations to explain why the ionization energy for fluorine is greater than that for oxygen. 7.95 Write balanced equations that represent the processes that correspond to the first and second ionization energies for magnesium. 7.96 Which ionization energy (IE....
The change in energy for which of the following processes corresponds to the first ionization energy of barium? a. Ba(s) + eBa () b. Ba(s) - Ba'(g) + e C. Ba(g) Ba*(g) + e d. Ba(g) - Ba2+(g) + 2e e. Ba(s) - Bat(s) +
14. Which of the following chemical equations corresponds to the acid ionization constant, K., for benzoic acid (CHECO,HD)? CHỤCO (aq) + HO'(aq) CICOH + H2 b. CH.COH(aq) + H C H.CO. (aq) + H.O'(aq) c. CH.CO.H(aq) + OH(aq) = CH.CO. (aq) +HOD) d. CH.CO.H(aq) + H2O (aq) C.H.CO,H;" (aq) + H2O(!) e. C.H.CO, (aq) + H.0(0)= C.H.CO,H(aq) + OH(aq)
12. Which of the following correctly represents the second ionization of aluminum? A) Ait (g) + € → Al (9) B) AI (g) → Al* (g) + e C) Al-(g) + e + A1-(g) D) A1+ (g) + e* → A12+ (8) E) A1+ (g) → A12+ (g) + e*
Which of the following processes is exothermic? the second ionization energy of Mg the sublimation of Na the breaking the bond of F2 the formation of KCl from its constituent elements in their standard state None of these is exothermic
Which of the following atoms would have the largest second ionization energy? Mg Cl Na Ca S Which of the following electron configurations is different from that expected? Cr Ca Ti V Sc
Which of the following chemical equations corresponds to the base ionization constant, K for hydrogen sulfite ion (HSO3? HSO3 aq)H2O()= H2SO3(aq) OH (aq) H2SO3(aq)OH(aq)=HSO3(aq) H20) HSO3aq)Haq) So32(aq)+H20( HSO3 aq) H20)= so32(aq) +H30 (aq) HSO3 (aq)H30 (aq)=H2SO3(aq)+ H20()
Write the equations that represent the first and second ionization steps for hydrotelluric acid (H2Te) in water. (Use H3O+ instead of H+.) First ionization step: (aq)(s)(l)(g) + H2O(l) (aq)(s)(l)(g) + (aq)(s)(l)(g) Second ionization step: (aq)(s)(l)(g) + H2O(l) (aq)(s)(l)(g) + (aq)(s)(l)(g)