Question Number 220454 by PaulDirac last updated on 12/May/25 $$\:\mathrm{In}\:\mathrm{the}\:{CO}_{\mathrm{2}} \:\mathrm{molecule},\:\mathrm{each}\:\mathrm{oxygen}\:\mathrm{atom}\:\mathrm{forms}\:\mathrm{a}\:\mathrm{double}\:\mathrm{bond}\:\mathrm{with}\:\mathrm{central}\:\mathrm{carbon}\:\mathrm{atom}. \\ $$$$\:\mathrm{Given}\:\mathrm{that}\:\mathrm{the}\:\mathrm{Bohr}\:\mathrm{radius}\:\left({a}_{{o}} \right)\:\mathrm{is}\:\mathrm{approximately}\:\mathrm{0}.\mathrm{529}\:\overset{\mathrm{o}} {\mathrm{A}}\:\mathrm{and}\:\mathrm{the}\:\mathrm{experimental}\:{C}={O}\: \\ $$$$\:\:\mathrm{bond}\:\mathrm{length}\:\mathrm{is}\:\mathrm{about}\:\mathrm{1}.\mathrm{16}\:\overset{\mathrm{o}\:} {\mathrm{A}},\:\mathrm{calculate}\:: \\ $$$$\: \\ $$$$\left.\:\mathrm{a}\right)\:\mathrm{The}\:\mathrm{approximate}\:\mathrm{region}\:\left(\mathrm{in}\:\mathrm{the}\:\mathrm{terms}\:\mathrm{of}\:\mathrm{Bohr}\:\mathrm{radii}\right)\:\mathrm{where}\:\mathrm{the}\:\mathrm{shared}\:\mathrm{electrons}\:\mathrm{are} \\ $$$$\:\mathrm{most}\:\mathrm{likely}\:\mathrm{to}\:\mathrm{be}\:\mathrm{found}\:\mathrm{between}\:{C}\:\mathrm{and}\:{O}. \\…
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Question Number 201502 by necx122 last updated on 07/Dec/23 $${A}\:{generation}\:{is}\:{about}\:{one}-{third}\:{of}\:{a} \\ $$$${lifetime}.{Approximately}\:{about}\:{how} \\ $$$${many}\:{generations}\:{have}\:{passed}\:{since} \\ $$$${the}\:{year}\:\mathrm{0}{AD}? \\ $$ Commented by AST last updated on 07/Dec/23…
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Question Number 63137 by Rio Michael last updated on 29/Jun/19 $${please}\:{who}\:{can}\:{prove}\:{the}\:{half}−{life}\:{in}\:{radioactivity}\:{formula} \\ $$$${of}\:\:{t}_{\frac{\mathrm{1}}{\mathrm{2}}} =\:\frac{{ln}\mathrm{2}}{\lambda}\:\:{where}\:\lambda\:{is}\:{distergration}\:{rate}.\:{Involving}\: \\ $$$${ln}\frac{{N}_{\mathrm{0}} }{{N}_{{t}} }=\:\lambda{t} \\ $$ Answered by Hope last updated…
Question Number 61993 by necx1 last updated on 13/Jun/19 $${ultraviolet}\:{light}\:{of}\:{wavelength}\:\mathrm{300}×\mathrm{10}^{−\mathrm{9}} {m} \\ $$$${causes}\:{photon}\:{emissions}\:{from}\:{a}\:{surface} \\ $$$${The}\:{stopping}\:{potential}\:{is}\:\mathrm{6}{V}.{Find}\:{the} \\ $$$${work}-{function}\:{in}\:{electron}-{Volts} \\ $$ Answered by ajfour last updated on…
Question Number 61297 by alphaprime last updated on 31/May/19 $$\mathrm{A}\:\mathrm{container}\:\mathrm{is}\:\mathrm{50\%}\:\mathrm{full}\:\mathrm{of}\:\mathrm{water}\:\mathrm{at}\:\mathrm{triple}\:\mathrm{point} \\ $$$$\mathrm{phase}\:.\:\mathrm{It}'\mathrm{s}\:\mathrm{Isolated}\:\mathrm{and}\:\mathrm{subjected}\:\mathrm{to}\:\mathrm{space} \\ $$$$\mathrm{system}\:\mathrm{defining}\:\mathrm{no}\:\mathrm{gravity}\:\mathrm{acting}\:\mathrm{on}\:\mathrm{the}\: \\ $$$$\mathrm{particles}\:,\:\mathrm{Which}\:\mathrm{state}\:\mathrm{of}\:\mathrm{matter}\:\mathrm{is}\:\mathrm{now} \\ $$$$\mathrm{more}\:\mathrm{dominant}\:,\:\mathrm{solid}\:,\:\mathrm{liquid}\:,\:\mathrm{or}\:\mathrm{gas}\:? \\ $$$$\mathrm{Calculate}\:\mathrm{the}\:\mathrm{intermolecular}\:\mathrm{distances} \\ $$$$\mathrm{between}\:\mathrm{simultaneous}\:\mathrm{two}\:\mathrm{distinct}\:\mathrm{states} \\ $$$$\mathrm{of}\:\mathrm{water}.\: \\…
Question Number 192257 by Tomal last updated on 13/May/23 $$ \\ $$$$\mathrm{A}\:\mathrm{bullet}\:\mathrm{with}\:\mathrm{a}\:\mathrm{velocity}\:\mathrm{of}\:\mathrm{30}\:\mathrm{ms}^{−\mathrm{1}} \:\mathrm{after} \\ $$$$\mathrm{pentrating}\:\mathrm{a}\:\mathrm{6}\:{cm}\:\mathrm{whole}\:\mathrm{tree}\:\mathrm{the}\:\mathrm{velocity}\:\mathrm{is}\: \\ $$$$\mathrm{reduced}\:\mathrm{by}\:\mathrm{one}−\mathrm{third}\:\mathrm{and}\:\mathrm{then}\:\mathrm{the}\:\mathrm{bullet} \\ $$$$\mathrm{travel}{s}\:\mathrm{for}\:\mathrm{1s}\:\mathrm{more}.\: \\ $$$$ \\ $$$$ \\ $$$${Will}\:\mathrm{the}\:\mathrm{bullet}\:\mathrm{penetratee}…
Question Number 192248 by Tomal last updated on 12/May/23 Commented by Tomal last updated on 19/May/23 $$\boldsymbol{{please}}\:{ANSWER}. \\ $$ Terms of Service Privacy Policy Contact:…