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Analysis

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BİLEŞİKLER
İki yada daha fazla elementin kimyasal özelliklerini kaybederek birleşmesi ile oluşturdukları saf maddeye bileşik denir. Bileşikler moleküler yapıda olan kovalent(Ametal+Ametal) bileşikler ve kristal yapıda olan iyonik(Metal+Ametal) bileşikler olarak iki sınıfa ayrılır.
( H2O, CO2, , C6H12O6 Kovalent) (NaCl, AlCl3, CaF2, İyonik)
ÖZELLİKLERİ








Saf ve homojen maddelerdir.
Bileşiğin tüm özelliklerini gösteren en küçük yapı taşı moleküldür. (İyonik kristaller hariç)
Yapılarında bulundurdukları elementlerin özelliklerini göstermezler.
Sabit basınçlı ortamda erime ve kaynama noktaları sabittir. sabit özkütleleri vardır.
Bileşiği oluşturan elementler arasında sabit bir oran vardır. Formüller ile gösterilirler.
Kimyasal yollar ile bileşenlerine ayrıştırılabilirler.

2. MOLEKÜL (Gerçek) FORMÜL

BİLEŞİKLERİN İSİMLENDİRİLMESİ

MOLEKÜL (Gerçek) FORMÜL
Moleküler yapılı bileşiğin bir molekülündeki atomların kesin sayılarını belirten formüle denir.
Basit
Molekül Formülü
Formül
CH2
C2H4, C3H6
H2O
H2O

1.

Basit Formül Kütlesi.n= Molekül formül kütlesi
Bir bileşiğin molekül formülünün bulunabilmesi için basit formülünün ve molekül kütlesinin bilinmesi gerekir.

Bileşikteki atomların türlerini ve en basit oranlarını gösterir.

Not: Bazı metaller farklı değerlikler alabilmektedir. Bu tür metallerin bileşikleri isimlendirilirken metalin değerliği Roma rakamı ile belirtilmelidir.
Metalin ismi + Metalin değerliği + Anyon ismi

YAPI (AÇIK) FORMÜL








Bileşiği oluşturan atomların uzaydaki dizilişlerini ve bağ sayılarını gösteren formüllerdir.
Molekül formülü aynı olup yapı formülü farklı olan maddeler izomerdirler.
2.

C6H6

1. KABA FORMÜL (Basit-Empirik Formül)

C3H6O

ELEMENTLERİN BİLEŞİK OLUŞTURURKEN ALDIĞI
DEĞERLİKLER

3.

Basit formülden yararlanılarak;




1A
Elementlerin cinsi
Elementlerin mol atom sayıları oranı
Atom kütleleri biliniyorsa elementlerin kütlece yüzdeleri anlaşılır.

Basit formüle bakılarak fiziksel hal, mol kütlesi, element atomlarının mol atom sayısı hesaplanamaz.

Kaba formülü CH2 olan molekül C2H4 olabileceği gibi C3H6 da olabilir.

2A

3A

4A

5A

6A

7A

8A

S1

S2

S2P1

S2P2

S2P3

S2P4

S2P5

S2P6

+1

+2

+3

+4
+5
+6
+7
-4
-3
-2
-1
Bir elementin bileşiklerinde aldığı değerliklere yükseltgenme basamağı denir.

METAL-AMETAL BİLEŞİKLERİ
Metal ismi+Ametal ismi+ ür eki
 NaCl : Sodyum Klorür
 KF : Potasyum Florür
 Al2S3 Alüminyum sülfür
 Mg3N2 :Magnezyum Nitrür

-

Bileşikteki elementlerin yükseltgenme basamakları belirlenirken Hidrojen ve Oksijenin aldığı değerliklerden sıkça yararlanılır. H (+1yada-1)
O(genellikle-2 peroksitlerde -1 OF2 de +2)

4.

5.

FeCl2 : Demir(ll) klorür
FeCl3 : Demir (lll) klorür
HgS : Civa (ll) sülfür
Hg2S : Civa (l) sülfür
Cu2O : Bakır (l) oksit
CuO : Bakır (ll) oksit

METAL-KÖK BİLEŞİKLERİ
Metal ismi + kök ismi
 CH3COOK : Potasyum asetat
 CaCO3 : Kalsiyum karbonat
 Al(NO3)3 Alüminyum nitrat
 NaHCO3 Sodyum bikarbonat
KÖK-KÖK BİLEŞİKLERİ
Katyon kök ismi + Anyon kök ismi
 NH4NO3 : Amonyum nitrat
 (NH4)2SO4
KÖK- AMETAL BİLEŞİKLERİ
Kök ismi + Ametal ismi +ür eki
 NH4Cl : Amonyum Klorür
 (NH4)2S : Amonyum Sülfür
AMETAL- AMETAL BİLEŞİKLERİ

1.Ametal sayısı+1.Ametal ismi+2.Ametal sayısı+2.Ametal ismi -

Not: 1. Ametal tek atom ise sayısı belirtilmez, fakat ikinci ametal sayısı her durumda belirtilir.












CO : Karbon monoksit
CO2 : Karbon dioksit
N2O4: Diazot tetraoksit
P2O5 : Difosfor Pentaoksit
OF2: Oksijen diflorür (oksit bileşiği değildir.)



6.HİDRATLAR
Kristallerinde su molekülü içeren iyonik bileşiklere denir.
Bileşiğin yapısındaki suya ise kristal suyu denir. İsimlendirme
Bileşiğin ismi + su moleküllerinin sayısı belirtilerek yapılır.






CuSO4.5H2O : Bakır(ll)sülfat pentahidrat
FeCl2.2H2O : Demir(ll) klorür dihidrat
Na2CO3.10H2O : Sodyum karbonat dekahidrat




Not:Hidrat bileşikleri ısıtılarak yapılarındaki su molekülleri uzaklaştırılabilir. Isıtıldıklarında meydana gelen kütle kaybı bundan kaynaklanmaktadır.
6.





KOMPLEKS BİLEŞİKLERİ

Çok atomlu anyon katyon ya da nötral moleküllere denir. Bu tür bileşiklerde merkez metal atomuna ligand denilen gruplar bağlıdır.

2.

+

CH3COOH
CH3COO + H (zayıf asit)
Sulu çözeltileri elektrolittir.
Turnusol kağıdını kırmızıya boyarlar.
Tatları ekşidir.
Bazlarla tepkimelerinden tuz ve su oluşur.
Metaller ile tepkimelerinden tuz ve H2 gazı oluşur. Mg + H2SO4
MgSO4 +H2
Asitler soy metaller(Au,Pt) ile tepkime vermezler. Yarı soy (Cu,Hg,Ag) metaller kuvvetli oksijenli asitler(H2SO4, HNO3) ile tepkimeye girerler. Fakat H2gazı açığa çıkmaz. Karbonat bileşikleri ile asitler tepkimeye girerler. CaCO3 + H2SO4
CaSO4 + CO2 + H2O
Oda koşullarında pH değeri 7 den küçüktür. Halojenlerde asitlik kuvveti;
HI>HBr>HCl>HI
Oksi asitlerde oksijen sayısı fazla olanın asitlik kuvveti fazladır.
HClO4>HClO3>HClO2>HClO
Organik bileşiklerde C sayısı arttıkça asitlik azalır. BAZLAR

3.TUZLAR
Katı halleri elektriği iletmezken sıvı halleri ve sulu çözeltileri elektriği iletir.




3.







-

Suya OH iyonu veren maddelere baz denir.
Na3[Cr(NO2)6] sodyum hekzanitrito kromat(III)
K3[Fe(CO)(CN)5] potasyumpentasiyanokarbonikferrat(II)
K3[Al(C2O4)3] potasyum triokzalatoalimünat (III)






BİLEŞİKLERİN SINIFLANDIRILMASI
1.

ASİTLER
+

+

Suya H (H3O ) iyonu veren maddelere denir.


Suda iyonlaşarak çözünürler.
+
HCl
H + Cl (kuvvetli asit)



Sulu çözeltileri elektrik akımını iletir.
Tatları acıdır. Turnusolü maviye çevirir.
Asitlerle nötürleşme tepkimesi verirler.
Amfoter metaller ile (Zn,Cr,Pb,Sn,Al) tepkimelerinden H2 gazı açığa çıkar.
Al + 3NaOH
Na3AlO3 + 3/2H2
Zn + 2NaOH
Na2ZnO2 + H2
Oda koşullarında pH değerleri 7 den büyüktür. Not: Amfoter metaller hem asitler ile hem de bazlar ile tepkime veren metallerdir.






Asidik tuz: Kuvvetli asit + Zayıf baz (su ile hidroliz olurlar)
Bazik Tuz: Kuvvetli baz + Zayıf Asit (su ile hidroliz olurlar)
Nötr tuz: Kuvvetli asit + Kuvvetli baz (su ile hidroliz olurlar) tepkimesi sonucu oluşur.

OKSİTLER
Elementlerin oksijenle yaptığı bileşiklere(OF2 hariç) oksit denir.
Asit Oksit: Genellikle ametallerin oksijence zengin bileşikleridir. CO2, N2O5, SO3 gibi.
Su ile tepkimeye girerek asitleri oluştururlar.
Bazlar ile tepkimeye girerek tuz ve su oluştururlar.
Bazik Oksit: Metallerin oksijenli bileşiklerine denir.
CaO, K2O, CuO gibi.
Su ile tepkimeye girerek bazları oluştururlar.
Asitler ile tepkimeye girerek su ve tuz oluştururlar.
Asit oksitler ile tepkimeye girerek yalnız tuz oluştururlar. Nötr Oksitler: Ametallerin oksijence fakir bileşikleridir. CO, NO, N2O gibi.
Asitler ve bazlar ile tepkimeye girmezler
Yanma sonucu asit oksit oluştururlar.
Amfoter Oksitler: Amfoter metallerin
(Zn,Cr,Pb,Sn,Al) oksijenli bileşiklerine denir.
Oda koşullarında katı olup su ile tepkime vermezler.
Asitler ve Alkali bazlar ile tepkime verirler.
Peroksitler: Oksijenin -1 değerlikli bileşiklerine denir. H2O2,Li2O2,MgO2, CaO2
Bileşik Oksitler: Aynı metalin farklı değerlikler aldığı bileşiklre denir.
Fe3O4
FeO.Fe2O3 ,
Pb3O4
2PbO. PbO2

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5c Analysis

...5C Analysis While a situation analysis is often referred to as the "3C analysis", the extension to the 5c analysis has allowed businesses to gain more information on the internal, macro-environmental and micro-environmental factors within the environment. The 5C analysis is considered to be the most useful and common method in analyzing the market environment due to the extensive information it provides to a business. Company The analysis of the company allows for the evaluation of the company's objectives, strategy and capabilities. These areas indicate to an organization about the strength of the business model or whether there are areas for improvement, as well as how well an organization will fit with the external environment. Goals & Objectives: An analysis on the mission of the business, the industry of the business and the stated goals required to achieve the mission. Position: An analysis on the Marketing strategy and the Marketing mix. Performance: An analysis on how effectively the business is achieving their stated mission and goals. Product line: An analysis on the products manufactured by the business and how successful it will be in the market. Competitors The competitor analysis takes into consideration the competitors position within the industry and the potential threat it may pose to other businesses. The main purpose of the competitor analysis is for businesses to analyze both the current and potential nature and capabilities of a competitor in...

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