This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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እነዚህ የኬሚስትሪ ጥያቄዎች መልሶች ከዚህ በታች ቀርበዋል፦ Item (I) say true or false 1. Solids have a definite volume and definite shape. መልስ: እውነት* (True) 2. Metallic elements have low ionization energy. መልስ: እውነት* (True) 3. An iron (Fe) is noble gas. መልስ: ሐሰት* (False) - ብረት (Iron) የሽግግር ብረት እንጂ የከበረ ጋዝ አይደለም። 4. The process of converting oil to hard fat is known as hardening oil. መልስ: እውነት* (True) 5. The functional group of Alcohol is OH. መልስ: እውነት* (True) 6. The equilibrium is dynamic in nature. መልስ: እውነት* (True) 7. Catalysis is substance that decreases the rate of rxn. መልስ: ሐሰት (False) - ካታላይስት (catalyst) የምላሹን ፍጥነት ይጨምራል*። የሚቀንስ ንጥረ ነገር ኢንሂቢተር (inhibitor) ይባላል። 8. If n ≠ 0 the charge in pressure has no effect in the position of equilibrium. መልስ: ሐሰት* (False) - በጋዝ ሞሎች ቁጥር ላይ ለውጥ ካለ ( n ≠ 0)፣ የግፊት ለውጥ በኢኩሊብሪየም አቀማመጥ ላይ ተጽዕኖ ያሳድራል። 9. Q = Keq the rxn is at equilibrium. መልስ: እውነት* (True) 10. Chemical kinetics study of backwards & forward rxn. መልስ: እውነት* (True) Item (II) choose the best correct answer 11. Chemical rxn that controlled bio chemical catalyst called መልስ: C. enzyme* (ኢንዛይም) 12. Reverse rxn is መልስ: B. backward rxn* (ወደ ኋላ የሚደረግ ምላሽ) 13. One of the ff is properties of liquid መልስ: A. they have tendency to flow* (የመፍሰስ ዝንባሌ አላቸው) 14. ----------Bond are strongest type of attractive force መልስ: A. hydrogen force (የሃይድሮጂን ኃይል) - ይህ የሚያመለክተው ከቀረቡት አማራጮች ውስጥ በጣም ጠንካራ የሆነውን ኢንተርሞለኪውላር* (intermolecular) ኃይል ነው። 15. One of the ff is diatomic molecule መልስ: C. O_2* (ኦክስጅን) 16. W/c of the ff orbital designation does not exist መልስ: D. 2d* - ለ n=2፣ l ዋጋ 0 (s) ወይም 1 (p) ብቻ ሊሆን ይችላል። ስለዚህ 2d ኦርቢታል የለም። 17. Among the ff element conation caution መልስ: A. Na* (ሶዲየም) - ይህ ጥያቄ በደንብ ያልተጻፈ ቢሆንም፣ "cation formation" (ካቴሽን መፍጠር) የሚል ከሆነ፣ ሶዲየም (Na) በቀላሉ ኤሌክትሮን በመለገስ ካቴሽን ይፈጥራል። 18. W/c of the ff is not properties of ionic compound መልስ: C. share of electron (የኤሌክትሮን መጋራት) - የአዮኒክ ውህዶች የሚፈጠሩት በኤሌክትሮን ዝውውር* እንጂ በመጋራት አይደለም። ኤሌክትሮን መጋራት የኮቫለንት ውህዶች ባህሪ ነው። 19. Process that solid charge in to liquid is known as መልስ: C. melting* (መቅለጥ) That's 2 down. 3 left today — send the next one.