Kimya Ödev Yardımı
QuetionAI‘nin kimya problemi çözücüsü, temel kimyasal reaksiyonları ve denklemleri kullanıcılar için gerçek zamanlı olarak özetleyebilen ve zayıf bir temele sahip öğrencilerin bile kimyada kolayca uzmanlaşabilmesi için güçlü bir öğrenme sistemine sahip olan bir ortaokul kimya ders aracıdır.
Artık periyodik tablonun temel özellikleri hakkında endişelenmenize gerek yok. Burada her elemente karşılık gelen kimyasal reaksiyonlara ve reaksiyon prensiplerine kolaylıkla ulaşabilirsiniz. Moleküllerin ve atomların orijinal yapısını, görülebilen makroskobik olaylardan çıkarmak, her zaman savunduğumuz bir kimya araştırma tekniğidir.
- a) 26Fe elementinin elektronik konfigürasyonunu yazarak 9. ve 25 elektronlarin bas kuantum, yan kuantum , manyetik kuantum ve spin kuantum sayilarini yaziniz. (10 puan) b) Asagida verilen kimyasal túrler arasindaki etkileşimleri kisaca açiklayarak yaziniz. (10 puan) NaCl-H_(2)O CH_(3)OH-H_(2)O NaCl-CCl_(4) I_(2)-CCl_(4) CH_(4)-CCl_(4)
- a) Karanfil yağinin ana bileşeni olan X bileşiginin % 40,7'si karbon (C)% 54,2 oksijen (O) ve % 5,1'i hidrojen (H) atomlarindan meydana gelmektedir . Bu bilgilere gore X'in basit formúlü nedir? (C:12g/mol,H:1g/mol,O:16g/mol) (10 puan) b) Gümùş elementi iki izotoptan olusur. (}^107_(47)Ag "ün kütlesi 106,906 akb ve ()^109_{47)Ag un kütlesi 108,905akb'dir Gümuşún ortalama atom kütlesi 107,868 akb olduguna gore (}^107_{47)Ag izotopunun dogada bulunma yuzdesi nedir? (10 puan)
- 4. What is the oxidizing agem 2Al^3+(aq)+2Fe(s)arrow 2Al(s) A) Al3+ B) Fe C) Al D) Fe^2+ E) none 5. Determine the limiting reactant (LR) and the mass (ing) of nitrogen that can be formed from 50.0 g N_(2)O_(4) and 45.0gN_(2)H_(4) from the unbalanced reaction given below. Some possibly useful atomic and molar masses are as follows: N=14.01g/mol H=1.008g/mol,O=16.000g/mol,N_(2)O_(4)=92.02g/mol,N_(2)H_(4)=32.05g/mol N_(2)O_(4)(l)+N_(2)H_(4)(l)arrow N_(2)(g)+H_(2)O(g) A) LR=N_(2)H_(4),59.0gN_(2) formed B) LR=N_(2)O_(4),45.7gN_(2) formed C) LR=N_(2)H_(4),13.3gN_(2) formed D) LR=N_(2)O_(4),105gN_(2)formed E) No LR, 45.0 g N_(2) formed
- 20. Determine the theoretical yield of H_(2)S (in moles) if 32 mol Al_(2)S_(3) and 32 mol H_(2)O are reacted according to the following balanced reaction. A possibly useful molar mass is Al_(2)S_(3)=150.17g/mol Al_(2)S_(3)(s)+6H_(2)O(l)arrow 2Al(OH)_(3)(s)+3H_(2)S(g) A) 16molH_(2)S B) 96 mol H_(2)S C) 48 mol H2S D) 32molH_(2)S E) 64molH_(2)S 21. How many grams of NaCl are required to make 250.00 mL of a 3.000 M solution? Na:22.99g/mol CI: 35.45g/mol) A) 58.40 g B) 43.83 g C) 175.3 g D) 14.60 g E) 128 g 22. What is the concentration of a solution prepared by diluting 20.0 ml.of a 0.200 M LiCl to 250.0mL A) 0.0160 M B) 0.160 M C) 2.50 M D) 0.00800 M E) 0.0320 M 23. What is the oxidation :tate of H in H_(2)(g) in th: following belanced reaction? Mg(s)+2HBr(aq)arrow MgBr_(2)(aq)+H_(2)(g) C)0 D)-1 E)-2 A) +1 B) +2 24. What is the oxidizing agent in the following reaction? 2Al^3+(aq)+2Fe(s)arrow 2Al(s)+3Fe^2+(aq) E) none A) Al^3+ B) Fe C) Al D) Fe^2+ 25. Determine the limiting reactant (LR) and the mass (in g)of nitrogen that can be formed from 50.0 g N_(2)O_(4) and 45.0gN_(2)H_(4) from the unbalanced reaction given below. Some possibly useful atomic and H=I molarmassolarest slowes N=14.01g/mol.N_(2)H_(4)=32.05g/mol molarmasses_(2)ast s_(2)follows N_(2)O_(4)=9 A) LR=N_(2)H_(4),59.0gN_(2) formed C) LR=N_(2)H_(4),13.3gN_(2)formed D LR=N_(2)O_(4),105gN_(2)formed E) No LR, 45.0gN_(2) formed
- 15. How https://www.kompara.com/marks) redox equation is balanced A) 2,6 B) 3,6 NO_(3)^-(aq)+Ni(s)arrow NO(g)+Ni^2+(aq) ard herg Na_(2)CO_(3) net ionic have a great programment C) D) E) 18. The titration of 10.00 mL of HCl solution of unknown concentration requires 12.54 mL of a 0.100 M NaOH solution to reach the equivalence A) 0.278 M B) 0 HCl(aq)+NaOH(aq)arrow H2O(l)+NaCl(aq) SM ) D) 0.143 M 19. How many milliliters of 0.260MNa_(2)S are needed to react with 35.00 mL of 0.315MAgNO_(3) according to the following unbalanced precipitation react with Na_(2)S(aq)+AgNO_(3)(aq)arrow NaNO_(3)(aq)+Ag_(2)S(s) B)57.8mL E) 0.0125 M A) 21.2 mL C) 42.4 mL D) 84.8 mL 20. Determine the theoretical yield of H_(2)S (in moles) if 32 mol Al_(2)S_(3) and 32 mol H_(2)O are reacted according to the following balanced E) 35.6 mL Al_(2)S_(3)(s)+6H_(2)O(l)arrow 2Al(OH)_(3)(s)+3H_(2)S(g) 16molH_(2)S B)96molH_(2)S C)48molH_(2)S D) 32molH_(2)S E) 64molH_(2)S 21. How many grams of NaCl are required to make 250.00 mL of a 3.000 M solution? (Na:22.99g/mol, 35.45g/mol) A) 58.40 g B) 43.83 g C) 175.3 g D) 14.60 g E) 1288 22. What is the concentration of a solution prepared by diluting 20.0 mL of a 0.200MLiCl to 250.0 mL A) 0.0160 M B) 0.160 M C) 2.50 M D) 0.00800 M E) 0.0320 M 23. What is the oxidation :tate of H in H_(2)(g) in th: following belanced reaction? Mg(s)+2HBr(aq)arrow MgBr_(2)(aq)+H_(2)(g) A) +1 B) +2 C) 0 D) -1 E) -2 4. What is the oxidizing agent in the following reaction? 2Al^3+(aq)+2Fe(s)arrow 2Al(s)+3Fe^2+(aq) A) Al^3+ B) Fe C) Al D) Fe^2+ E) none 5. Determine the limiting reactant (LR) and the mass (ing) of nitrogen that can be formed from 50. N_(2)O_(4) and 45.0 g N_(2)H_(4) from the unbalanced reaction given below. Some possibly useful atomi and molar masses are as follows: N=14.01g/mol H=1.008g/mol,O=16.000g/mol,N_(2)O_(4)=92.02g/mol,N_(2)H_(4)=32.05g/mol N_(2)O_(4)(l)+N_(2)H_(4)(l)arrow N_(2)(g)+H_(2)O(g) A) LR=N_(2)H_(4),59.0gN_(2) formed B LR=N_(2)O_(4),45.7gN_(2) formed C) LR=N_(2)H_(4),13.3gN_(2) formed D LR=N_(2)O_(4),105gN_(2)formed E) No LR, 45 .0 g