BI TP P DNG

Bi 1: Vi gi thit phn t hai nguyn t c xem l mu quay t rn, hy dng phng php lng t xc nh nng lng quay trong trng hp ny.Bi 2: Bng thc nghim ngi ta xc nh c vch ph vng hng ngoi xa vi s

sng l 16,94 cm1 cho phn t HBr. Cn c vo s liu ny hy:

a) Xc nh mmen qun tnh ca phn t.

b) Tm khong cch gia hai ht nhn.

Cho H = 1,008; Br = 79,92.Bi 3: Trn c s ca c hc lng t hy xc nh nng lng dao ng cho trng hp phn t 2 nguyn t vi gi thit rng dao ng ca hai ht nhn i vi trng tm phn t l nhng dao ng iu ho. Bi 4: Cho mt vi ht vi khi lng m = 2,33.1026 kg dao ng iu ho quanh v tr cn bng. Hy tnh gi tr nng lng im khng cho vi ht ny. Bit hng s lc k = 155 N.m1.Bi 5: Hy xc nh bc sng (nm) ca photon cn kch thch s chuyn dch ca electron gia 2 mc nng lng lin k trong mt dao ng t iu ho. Bit rng khi lng rt gn ca phn t bng khi lng ca proton. Cho mp = 1,672.1027kg; k = 855 N.m1.Bi 6: a) Hy tm cng thc tng qut xc nh di lin kt cho phn t hai nguyn t. Bit rng trong ph quay ca phn t ny bc chuyn gia hai vch ph lin tip tun theo quy tc chn la J = 1; nng lng quay l

b) p dng kt qu xc lp cu a) hy xc nh di lin kt i vi phn t HCl.

Cho: 2B = 2070 cm1; H = 1; Cl = 35,46Bi 7: Hy tnh khi lng rt gn v mmen qun tnh i vi phn t D35Cl. Cho bit di lin kt DCl l 0,1275 nm.

Bi 8: T mt ph thc nghim ngi ta thu c di trung bnh gia hai vch hp th quay lin tip l 3,8626 cm1. Cn c vo gi tr ny hy xc nh gi tr mmen qun tnh v di lin kt ca phn t CO.Bi 9: Ngi ta ghi c s sng ca di hp th hng ngoi i vi kh HCl l 2885 cm1. Hy

tnh hng s lc cho lin kt trong phn t HCl.

Cho bit H = 1,008; Cl = 35,45.Bi 10: Kho st ph quay dao ng i vi phn t H35Cl ngi ta thu c cc vch ph hp th c bn ng vi cc s sng sau: 2927, 2906, 2866, 2847 cm1. Hy xc nh di lin kt ca phn t kho st theo .